Precor EFX 885 Service Manual
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Precor EFX 885 Service Manual

Efx 885; efx 835; efx 825
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EFX 885, 835, 825
Service Manual 20039-166
EFX 885, 835, 825
Warning: This service manual is for use by Precor trained service providers only.
If you are not a Precor Trained Servicer, you must not attempt to service any Precor Product; Call your dealer for service.
This document contains information required to perform the majority of troubleshooting, and replacement procedures
required to repair and maintain this product.
This document contains general product information, software diagnostic procedures (when available), preventative
maintenance procedures, inspection and adjustment procedures, troubleshooting procedures, replacement procedures
and electrical block and wiring diagrams.
To move directly to a procedure, click the appropriate procedure in the bookmark section to the left of this page. You
may drag the separator bar between this page and the bookmark section to change the size of the page being viewed.
Page 1
©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law

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Summary of Contents for Precor EFX 885

  • Page 1 Warning: This service manual is for use by Precor trained service providers only. If you are not a Precor Trained Servicer, you must not attempt to service any Precor Product; Call your dealer for service. This document contains information required to perform the majority of troubleshooting, and replacement procedures required to repair and maintain this product.
  • Page 2 (especially from ears and neck), tie up long hair, remove neck ties, and do not wear loose clothing.  Exercise caution when touching any wire or electrical component during EFX operation. Page 2 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 3  Do not use accessory attachments that are not recommended by the manufacturer-such attachments might cause injuries. General Information For the latest exploded view, part number and part pricing information, visit the Precor dealer website at www.precor.com/connection. Tools Required Multimeter...
  • Page 4 Choose the console section that applies to your EFX. EFX 885 with P80 Console EFX 835 with P30 Console EFX 825 with P20 Console Page 4 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 5 EFX 885, 835, 825 Service Manual 20039-166 Section Three P80 Console EFX Page 5 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 6 3. Use the System mode to configure settings in ways that benefit the users and the facility. Changes made to these settings save to the fitness equipment. To select a Setting touch on an item in the Settings menu. Page 6 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 7 Touch Install to load the software package, update into the console. Available Updates will be displayed. See Procedure 3.5, Updating Software.  4. Touch BACK to the Welcome screen. Page 7 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 8 None None the field. Machine Type Type of equipment (AMT, RBK, None None UBK, EFX, & TRM). Set at factory.  3. Touch BACK to Settings. Procedure 3.1. Page 8 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 9 The date of the start of the last workout. None None Last Workout End Date Time The date of the end of the last workout. None None  4. Touch BACK to Settings. Procedure 3.1. Page 9 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 10 Use this setting to save your equipment settings to a USB Touch See Procedure 3.11 flash drive, or to import Manage (Cloning) settings from a USB flash Settings drive. Page 10 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 11 2. The sign-in screen will be displayed. Type in the technician access code and press enter. 3. Insert the USB Flash Drive into the USB Drive Port of the P80 console. See Diagram 2. Diagram 2 USB Drive Port USB Flash Drive Page 11 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 12 5. A software package or list of software packages will be displayed on the P80 console screen. Touch the spot on the P80 console screen displaying the software package required. Note: PRECOR customer service will specify which software package is required when the service is requested to update P-80 Console software. If you are unsure of which software package should be installed, contact PRECOR customer service.
  • Page 13 Use the machine control paddle to change the resistance up and down. The UBK, EFX resistance changes will be displayed in power bits.  Touch STOP to end the test. Touch BACK to Systems Test. Page 13 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 14 The line drawn by your finger should be very close to previous passes. Be sure that you do not touch anything else with your other hand. Touch FINISH to exit to Systems Test. Page 14 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 16 Grasp both of the heart rate grips on the handlebar, after a couple of seconds the heart rate will be displayed.  Touch BACK to exit to Systems Test.  3. Touch BACK to Settings. Procedure 3.1. Page 16 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 17 EFX 885, 835, 825 Service Manual 20039-166 Procedure 3.7 P80- Connectivity Configuring your audio, video, and network infrastructure requires expertise. Precor strongly recommends that you work with a qualified contractor to set up this infrastructure. This setting provides the following information: ...
  • Page 18 Connectivity Set Up and Registration Procedure Before you attempt to connect to the Precor Preva Server, check the status field and ensure that the Connected is displayed. If the Status field shows Not Connected, you will need to diagnose your networking issue. Continue with Step 2.
  • Page 19 10. Enter the data acquired from the network administrator using the on-screen key pad, and then select OK. See Diagram 3.7.5. 11. Repeat steps 9 and 10 for the remaining network settings. Page 19 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 20 15. A screen will appear stating, The equipment is ready to be set up, touch USER NAME AND PASSWORD. 16. The user name and password will have been provided by Precor prior to installation. Enter the user name using the on-screen keypad, then touch NEXT.
  • Page 21 ON/OFF selection. Touch OK or CANCEL to exit to the Display menu.  4. Touch BACK to Settings. Procedure 3.1. Page 21 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 22 2. Touch the DELETE button. 3. When asked Are you sure? verify that you want to proceed, then touch YES.  4. Touch BACK to Settings. Procedure 3.1. Page 22 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 23 60 seconds will then fill the radio button next to the selection.  60 seconds Touch OK to exit to the Workout Limits Settings menu.  120 seconds Page 23 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 24 (EFX only) from 1% to Touch OK to exit to the Workout Limits menu.  3. Touch BACK to Settings. Procedure 3.1. Page 24 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 25 Note: The keypad X configuration sequence should be not faster than 1 second between each key stroke. Any speed faster than 1 second may result in an unsuccessful access to the sign-in screen. Page 25 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 26 USB Drive Port USB Flash Drive 7. When the gray inactive Save to USB Flash Drive Icon becomes active and lights up, select Save to USB. See Diagram 3.11.4 Page 26 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 27 13. Insert the USB Flash Drive into the USB Drive Port of the P80 console. See Diagram 3.11.3. 14. Wait for the USB Flash Drive Icons to become active (light up) and then select Import from USB. See Diagram 3.11.6 Page 27 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 28 16. Touch OK to return the Settings menus. Diagram 3.11.7 17. Exit the service mode as described in steps 14. 18. Repeat the described process steps 11 though 16 for any remaining P80 consoles. Page 28 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 29 Rear Vent Cover 2. Remove the four flat head 5/8 inch long screws that secure the console to the plate. See Diagram 3.12.2 Diagram 3.12.2 EFX 885 EFX 883 Page 29 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 30 5. Disconnect the Ethernet cable, Data cable, the Power cable and the HR cable. See Diagram 3.11.5 Diagram 3.12.5 Data Cable Ethernet Cable Ethernet Cable HR Cable Power Cable Page 30 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 31 Be sure to secure the zip tie on the connector and not on the cable. See Diagram 3.12.9. Diagram 3.12.7 Diagram 3.12.8 Diagram 3.12.9 Cable Wire Tie Page 31 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 32 14. Route the Heart Rate cable through the upper left corner of the weldment and connect it to the HR PCA. Route See Diagram 3.12.13 any excess Heart Rate cable into the rectangular center section of the dash assembly. Page 32 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 33 If the screws are too short the console will not be properly grounded. If the screws are too long it is possible to damage the internal wiring. 18. Tighten the screws fully using a ⁵/₃₂-inch hex wrench. 19. Replace the rear vent cover. Page 33 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 34 HR PCA. See Diagram 3.13.3. 25. Orient the replacement HR PCA so that the side with the protective foam pad is facing out and snap the HR PCA into its mounting. Page 34 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 35 Diagram 3.13.3 HHHR Grip Cable HR PCA Assembly Foam Release Tab HR PCA Power Cable Assembly 26. Replace the rear vent cover. 27. Check operation per Section 7. Page 35 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 36 Procedure 3.14 P80 Future Content Procedure 3.15 P80 Future Content Procedure 3.16 P80 Future Content Procedure 3.17 P80 Future Content Procedure 3.18 P80 Future Content Procedure 3.19 P80 Future Content Page 36 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 37 Watchdog may or may not be recovering the media player automatically 5. There may be a software mismatch between the CPA and the MFE. 6. Tuner has failed (hardware). Diagram 3.20.1 Coax Cable TV Tuner USB Connector Cable Page 37 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 38 If the channel lineup on the console has been confirmed correct, the signal is good, the unit has been rebooted, the software is correct on all components, and the screen is still black, the tuner has likely failed. Replace the entire console. Page 38 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 39 Precor splash screen. Perform a 7 Power Cycle (See Boot Screen Procedure below) to force the machine to revert to the backup image. When the unit boots successfully, reflash the unit with the correct software to ensure that the old, corrupted image has a usable image installed.
  • Page 40 3. Enter the Settings Menu. Select System Settings, then TV Settings. Verify that unit is set for United States. See Procedure 3.9. TV Settings. Page 40 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 41 3. Troubleshoot as above. Signal provider (e.g. Cable Company, Satellite Company, etc.) will need to address this issue. 4. Enter the Settings Menu. Select System Settings, then TV Settings. Verify that unit is set for United States.. See Procedure 3.9. TV Settings. Page 41 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 42 3. Rescan channels on that unit. This is less likely to be the problem if the channel is coming in poorly since if the console is looking at the wrong channel number entirely, this should manifest as a black TV screen rather than poor video quality. Page 42 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 43 Entire touch screen is displaying a green color. No response to any inputs, machine is completely unusable. Possible Causes Operation System, kernel crash. Operating System is completely hung up, no error logging is able to occur. Possible Remedies Reboot machine. Page 43 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 44 Tuner tuned improperly to the channel Possible Remedies Change the channel to a different channel. The skipping will now be gone and the user can change back to the original channel. Page 44 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 45 1 second between each key stroke. Any speed faster than 1 second may result in an unsuccessful access to the sign-in screen. Diagram 3.27.1 Volume & Channel Key Pad Pause Button Page 45 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 46 Possible Causes The console is running low on memory. Possible Remedies Reboot the console. This will clear the memory and restore the unit to normal operation. Page 46 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 47 1 second between each key stroke. Any speed faster than 1 second may result in an unsuccessful access to the sign-in screen. Diagram 3.27.1 Volume & Channel Key Pad Pause Button Page 47 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 48 However, if there is an issue with how the amplifier in the head end is configured, this could result in good video, but poor sound, though this is likely to be an issue across all units rather than a subset of the entire facility. Page 48 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 49 Page 49 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 50 If cable is damaged, console must be replaced; this is not a replaceable part. 2. If machine controls have failed, the entire console will need to be replaced. This is not a replaceable part. Page 50 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 51 Ensure the cable is inserted fully onto the pins. If not inserted properly, insert. If cable is damaged, console must be replaced; this is not a replaceable part. Page 51 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 52 Do not disable the Auto Stop sensor in the software. For more trouble shooting information on the Auto Stop feature see Troubleshooting- 9.5 TRM_ Trouble Shooting the Auto Stop Feature. Page 52 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 53 3. Inspect the connections leading from the stop switch to the console. Ensure that the cables are secure and undamaged. 4. Replace the stop switch assembly. Page 53 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 54 5. If the power, power supply, and power cabling are all good and securely connected, the console will need to be replaced. Page 54 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 55 EFX 885, 835, 825 Service Manual 20039-166 Section Four Future Content Page 55 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 56 EFX 885, 835, 825 Service Manual 20039-166 Section Five P30 Console - EFX Page 56 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 57 Procedure: 1. The EFX 885 and 835 uses the standard access codes to provide access to the various software features. Use the PAUSE key and the numeric keypad to enter the access code. The standard access codes use all sequential key presses.
  • Page 58 The console will display the Pulse. The pulse is showing a count of zero crossings from the generator. RPM shows a software averaged version of pulse. Press the OK key Page 58 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 59 Press the BACK key to return to Machine Test Press the BACK key to return to Hardware Validation Press the PAUSE/RESET key to exit the Hardware Validation tests. Page 59 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 60 HOUR METER display. Use the , keys to move to move to U-BOOT SW. U-Boot SW Press the OK key. The software part number will be displayed as XXXXX-XXX. Page 60 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 61 STUCK KEY will be displayed. Press the BACK key to exit the ERROR LOG display. Press the PAUSE key to exit the DIAGS-INFORMATION DISPLAY. Page 61 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 62 1 and 240 minutes, and NO LIMIT. If an arrow key user can remain in a program. is held down then the value changes slowly at first and then at an increasing rate. Page 62 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 63 Programs column. bar. Press the OK key to save program and exit to Club Settings. Press the PAUSE key exit Club Settings. Page 63 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 64 Problem-related information (such as how far into the program the problem occurred, the work level being used when the problem occurred, error code displayed, etc.).  The frequency of occurrence. Page 64 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 65 4. Remove the four screws that fasten the console to the dash mounting plate. See Diagram 5.5.2. 5. Diagram 5.5.2 Dash Mounting Plate TRM Mounting Plate EFX, UBK, RBK, AMT, CLM Mounting Plate Type Page 65 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 66 CSAFE cable (if in use) from the Upper PCA. See Diagram 5.5.5. Remove the console from the maintenance access hook and place it on a flat work surface. Page 66 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 67 Stop Key and CSAFE Port Connectors Stop Key Cable (TRM only) Auto Stop, Data, and Heart Rate Cable Connectors Auto Stop Cable (TRM only) Data Cable Heart Rate PCA Cable Connection Ground wire Page 67 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 68 Diagram 5.5.6 Option Cap Back Cover 12. Remove the 6 screws that fasten the rear cover from the console and remove. See Diagram 5.5.7. Diagram 5.5.7 Rear Console Cover Page 68 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 69 Keypad Metric (J9) Total Body PCA HR Board (J10) Auto Stop (J12) Data Port (J13) Metric Connector (J5) Metric Board Machine Controls Connector (J4) Metric Connector (J1) Machine Controls Page 69 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 70 Note: If pin 1 is not marked on the Upper PCA refer to Diagram 5.5.9. Diagram 5.5.9 P30 PCA Pin 1 Reference Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Page 70 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 71 26. Fasten the console to the dash mounting plate with the four screws removed in step 4. See Diagram 5.5.2. 27. Fasten the dash transition cover using the two screws removed in step 3. See Diagram 5.5.1 28. Check treadmill operation per Section Seven. Page 71 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 72 4. Remove the four screws that fasten the console to the dash mounting plate. See Diagram 5.6.2. Diagram 5.6.2 Dash Mounting Plate TRM Mounting Plate EFX, AMT, UBK, RBK, CLM Mounting Plate Page 72 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 73 Diagram 5.6.4 Maintenance Access Hook Mounting Plate Hook 7. Remove the Heart Rate PCA. See Procedure 5.7, Removing Heart Rate PCA. 8. Disconnect the Heart Rate Cable from the Heart Rate PCA. Page 73 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 74 Stop Key Cable (TRM only) Auto Stop, Data, and Heart Rate Cable Connectors Auto Stop Cable (TRM only) Data Cable Heart Rate PCA Cable Connection Earth Ground wire Page 74 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 75 Diagram 5.6.6 Option Cap Back Cover 11. Remove the 6 screws that fasten the rear cover from the console and remove. See Diagram 5.6.7. Diagram 5.6.7 Rear Console Cover Page 75 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 76 Keypad Metric (J9) Total Body PCA HR Board (J10) Auto Stop (J12) Data Port (J13) Metric Connector (J5) Metric Board Machine Controls Connector (J4) Metric Connector (J1) Machine Controls Page 76 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 77 Note: If pin 1 is not marked on the Upper PCA refer to Diagram 5.6.9. Diagram 5.6.9 P30 PCA Pin 1 Reference Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Page 77 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 78 26. Fasten the console to the dash mounting plate with the four screws removed in step 4. See Diagram 5.6.2. 27. Fasten the dash transition cover using the two screws removed in step 3. See Diagram 5.6.1 Check treadmill operation per Section Seven. Page 78 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 79 7. Orient the replacement HR PCA so that the side with the protective foam pad is facing out and snap the HR PCA into its mounting. 8. Replace the HR PCA access panel removed in step 3. 9. Check operation per Section 7 Diagram 5.7.1 HR PCA Access Panel Page 79 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 80 EFX 885, 835, 825 Service Manual 20039-166 Diagram 5.7.2 HHHR Grip Cable Assembly Foam Pad HR PCA Power Cable Assembly Page 80 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 81 EFX 885, 835, 825 Service Manual 20039-166 Procedure 5.8 Future Content Page 81 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 82 Precor or it may be downloaded to the PDA from your desktop or laptop computer via the hot sync function. With the PDA inserted in the hot sync cradle, download to Precor IFP (in field programmer) directory.
  • Page 83 EFX 885, 835, 825 Service Manual 20039-166 Procedure 5.10 Future Content Page 83 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 84 4. If the display does not illuminate, continue with step 5. Diagram 5.11.1 - Console, Upper PCA, JTAG (J9) Connector Pin 1 JTAG (J9) Connector Pin 2 Pin 4 Page 84 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 85 8. With a DC voltmeter, measure between TP4 (+8V) and TP1 (DGND) for 8 Vdc and between TP2 (+5V) and TP1 (DGND) for 5Vdc. See Diagram 5.11.3 Diagram 5.11.3 - Metrics PCA, Front View TP1 (DGND) TP2 (+ 5V) TP4 (+8V) Page 85 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 86 10. If 8 Vdc is not present on TP4 and the upper PCA is illuminating normally, replace the cable between the upper PCA and the metrics PCA. 11. If you have performed steps 7 - 10 and the metrics PCA still does not illuminate, contact Precor customer support for assistance.
  • Page 87 30. If the STUCK KEY is still being displayed with the keyboard cable disconnected, replace the upper PCA. 31. If you have performed steps 23 - 30 and the STUCK KEY message is still being displayed, contact Precor customer support for assistance.
  • Page 88 If the known good Polar chest strap does correct the problem, replace the original chest strap transmitter. 3. If the above procedures did not correct the problem, replace the heart rate PCA. Page 88 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 89 J1 connector and the lower left hand held heart rate contact on the handlebar. The reading should be 1  or less. If any of the above readings are greater than 1 , replace the heart rate PCA to handlebar wire harness. Page 89 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 90 RF energy that is being received by the chest strap portion of the heart rate PCA. Replace the heart rate PCA with a 300812-101 (or higher) heart rate PCA. 300812-101 and higher versions of heart rate PCA are less susceptible to radiated RF energy. Page 90 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 91 8. The voltage measured should be approximately 5 Vdc. If the voltage is significantly low, the problem is in the upper PCA or the upper to lower PCA interconnect cables. Page 91 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 92 10. Troubleshoot the upper to lower PCA interconnect cables per Procedure 9.1. 11. If the upper to lower interconnect cables are found to be good, replace the upper PCA. 12. If you have performed all of the above tests and are unable to resolve the problem, contact Precor customer support.
  • Page 93 EFX 885, 835, 825 Service Manual 20039-166 Section Six P20 Console - EFX Page 93 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 94 PAUSE/RESET key to return the unit to Banner state from anywhere in the menus. 2. See Diagram 6.1.1 and Diagnostic Menus - Table Diagram 6.1 .1 P20 Console Input Keys Workouts/Programs Key GO Key Enter Key Pause/Reset Key Page 94 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 95 Press the WORKOUTS/PROGRAMS key to exit the RPM test. Press the  key to go to the next test. BATTERY TEST will scroll across the display. Page 95 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 96 EFX 885, 835, 825 Service Manual 20039-166 Page 96 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 97 CROSSRAMP key is pressed. Press the WORKOUTS/PROGRAMS key to exit the Ramp test. Press the WORKOUTS/PROGRAMS key to exit the Machine test. Press the WORKOUTS/PROGRAMS key to exit Diagnostic Menu. Page 97 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 98 Press the WORKOUTS/PROGRAMS key to exit the Hour Meter. Press the  key to go to U-Boot U-Boot U-Boot Software will scroll across the display Software Software. Page 98 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 99 Errors. If there are no errors, STUCK KEY is displayed on the STD, and then it goes back to Banner state when the key is released. Press the RESET key to exit to the Banner. Page 99 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 100 Press the GO key to select the Default Workout Time. to increase or decrease time.  When set to OFF, programs time will be the value in MAX Workout Time Page 100 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 101 Set Max Cool The range is 0-5 minutes. Down Time Press the WORKOUTS/PROGRAMS key to exit Set Max Cool Down Time. Press the WORKOUTS/PROGRAMS key to exit Club Settings Menu. Page 101 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 102 Problem-related information (such as how far into the program the problem occurred, the work level being used when the problem occurred, error code displayed, etc.).  The frequency of occurrence. Page 102 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 103 4. Remove the four screws that fasten the console to the dash mounting plate. See Diagram 6.5.2. Diagram 6.5.2 Dash Mounting Plate TRM Mounting Plate EFX, UBK, RBK, AMT, CLM Mounting Plate Type Page 103 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 104 Cable, Earth Ground wire and the Wireless HR Cable from the Upper PCA. See Diagram 6.5.5. Remove the console from the maintenance access hook and place it on a flat work surface. Page 104 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 105 Wireless HR Cable Auto Stop Cable Hand Held HR Cable Earth Ground wire, Hand Held HR Cable, Wireless HR, and Auto Stop Connectors Data Port and Stop Key Connector Page 105 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 106 Diagram 6.5.6 Option Cap Back Cover 9. Remove the 6 screws that fasten the rear cover from the console and remove. See Diagram 6.5.7. Diagram 6.5.7 Rear Console Cover Page 106 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 107 Option Cap (JK5) Wireless HR (JK8) Hand Held HR (JK7) Data Port (JK3) Stop Key (JK14) Keypad Metric (JK1) Auto Stop (JK11) Machine Controls Connector (JK2) Metric Board Metric Connector Page 107 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 108 Note: If pin 1 is not marked on the Upper PCA refer to Diagram 6.5.9. Diagram 6.5.9 P20 PCA Pin 1 Reference Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Pin 1 Page 108 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 109 21. Fasten the console to the dash mounting plate with the four screws removed in step 4. See Diagram 6.5.2. 22. Fasten the dash transition cover using the two screws removed in step 3. See Diagram 6.5.1 23. Check treadmill operation per Section Seven. Page 109 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 110 4. Remove the four screws that fasten the console to the dash mounting plate. See Diagram 6.6.2. 5. Diagram 6.6.2 Dash Mounting Plate TRM Mounting Plate EFX, UBK, RBK, AMT, CLM Mounting Plate Type Page 110 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 111 Cable, Earth Ground wire and the Wireless HR Cable from the Upper PCA. See Diagram 6.6.5. Remove the console from the maintenance access hook and place it on a flat work surface. Page 111 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 112 Data Port and Stop Key Connector HR, and Auto Stop Connectors 9. Remove the two screws that fasten the back cover to the option cap and remove the cover. See Diagram 6.6.6 Page 112 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 113 11. Disconnect the Metric cable from the Metric PCA board. See Diagram 6.6.8. 12. Remove the four screws that fasten the Metric PCA board to the console and remove the Metric PCA and the four spacers. Page 113 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 114 1 markings on the Metric board. See Diagram 6.6.9 Note: If pin 1 is not marked on the Metric boards refer to Diagram 6.6.9. Page 114 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 115 This type of damage is not covered under warranty. 17. Replace the P30 Option Cap back cover removed step 9 and secure the cover with the screws 2 screws. Torque to 10 inch pounds. Page 115 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 116 22. Fasten the console to the dash mounting plate with the four screws removed in step 4. See Diagram 6.6.2. 23. Fasten the dash transition cover using the two screws removed in step 3. See Diagram 6.6.1 24. Check operation per Section Seven. Page 116 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 117 9. Snap the HR PCA into its mounting. 10. Replace the HR PCA access panel removed in step 5. 11. Replace the console access panel removed in step 2. 12. Check operation per Section 7. Page 117 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 118 EFX 885, 835, 825 Service Manual 20039-166 Diagram 6.7.1 HR PCA Access Panel Wireless cable connection Diagram 6.7.2 on the upper PCA Page 118 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 119 EFX 885, 835, 825 Service Manual 20039-166 Procedure 6.8 Future Content Procedure 6.9 Future Content Procedure 6.10 Future Content Page 119 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 120 4. If the display does not illuminate, continue with step 5. Diagram 6.11.1 - Console, Upper PCA , JTAG (J9), & Option Cap Connector Pin 8 Option (JK5) Connector Pin 7 Pin 6 Pin 1 JTAG (JK9) Connector Page 120 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 121 10. If 5 Vdc is present on C5 and the upper PCA is illuminating normally, replace the metrics PCA. 11. If you have performed steps 7 - 10 and the metrics PCA still does not illuminate, contact Precor customer support for assistance.
  • Page 122 21. If the display face has been replaced and the same key or control is still not functioning, replace the upper PCA. 22. If you have performed steps 18 - 22 and the same key is still not functioning, contact Precor customer support for assistance.
  • Page 123 If the known good Polar chest strap does correct the problem, replace the original chest strap transmitter. 17. If the above procedures did not correct the problem, replace the wireless heart rate receiver. Page 123 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 124 JK7 connector and the lower left hand held heart rate contact on the handlebar. The reading should be 1  or less. If any of the above readings are greater than 1 , replace the heart rate PCA to handlebar wire harness. Page 124 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 125 25. Check the plug/connector connections on both the hand held heart rate (JK7) and wireless heart rate (JK8) at the upper PCA. 26. If neither a chest strap signal or a hand held signal is being accepted, measure between the replace the upper PCA. Page 125 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 126 Start striding on the EFX or plug the optional external power supply (when available) into the EFX and the AC outlet. 2. When the PRECOR banner displayed, press GO (P80) or QUICK START (P30). 3. Select Resistance Level 1. 4. Operate the EFX for 4 5 minutes. As you operate the EFX, concentrate on the operating sounds made by the unit.
  • Page 127 Set the right side of the rear cover in its mounting position and rotate it clockwise. Ensure that the cover is fully engaged and fasten it with the screw removed in step 1. Page 127 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 128 EFX 885, 835, 825 Service Manual 20039-166 Diagram 8.1.1 Lower Interconnect Cable Battery Connection Load Resistor Generator Connections Connector Page 128 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 129 Turning the adjustment bolts clockwise will increase belt tension, turning the adjustment bolts counter-clockwise will decrease belt tension. Page 129 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 130 10. Set the right side of the rear cover in its mounting position and rotate it clockwise. Ensure that the cover is fully position and rotate it counterclockwise. Ensure that the cover is fully engaged and fasten it with the screw removed in step 1. Page 130 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 131 10. Fasten the incline motor yoke in the ramp with the hardware removed in step 3. Page 131 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 132 11. Replace the lower front portion of the front cover with the hardware removed in step 1. 12. Replace the lift cover per Procedure 10.2. 13. Operate the incline through its entire range to ensure proper operation. Page 132 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 133 8. External of the frame, connect a replacement lower interconnect cable to the mid-point connector and the lower PCA. 9. Check operation as described in Section Seven. If the unit works properly, replace the lower interconnect cable as described in Procedure 10.4. Page 133 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 134 Connect a replacement mid-point connector between the two interconnect cables and retest the unit per Procedure 10.4. 11. If you have performed all of the procedures above and have been unable to correct the problem, call Precor customer support.
  • Page 135 100 VAC -110 VAC. 3. If any of the six readings in step 2 are significantly low, replace the generator. 4. If you have performed all of the above tests and are unable to resolve the problem, contact Precor customer support.
  • Page 136 7. Verify that all of the wires in the intermediate cable (the cable inserted in to J3 of the lower PCA) are securely inserted into the connector housing and providing a good electrical connection. Page 136 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 137 10. Verify that all of the wires in the intermediate cable (the cable inserted in to J3 of the lower PCA) are securely inserted into the connector housing and providing a good electrical connection. 11. If you have performed all of the above tests and are unable to resolve the problem, contact Precor customer support 12.
  • Page 138 10. Remove the left and right side covers as described above. Diagram 10.1.1 - External Power Supply Input Jack External Power Supply Input jack 11. Remove the top section of the cover as described above. Page 138 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 139 24. Remove the small cover at the front portion of the cover section by sliding it forward and off of the front section of the cover. Refer to Diagram 10.1.3. Remove the two cover mounting screws. Page 139 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 140 29. Dress the cables, remove in step 21, into the two lower cable clips on the front section of the cover. 30. Replace the top section of the cover as described above. 31. Replace the left and right cover sides as described above. Page 140 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 141 8. Remove the four screws that fasten the front cover section to the rear cover section. Remove the front cover section from the EFX. 9. Set the replacement front cover section in its mounting position and fasten it with the four screws removed in step 4. Page 141 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 142 Diagram 10.2.2 - Rear Cover Section Rear Cover Section Mounting Screws Incline Motor Battery Fasten the clevis pin with the hitch pin. 18. Replace the front and upper cover sections as described above. Page 142 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 143 Connect the two leads from the load resistors to M1 and M2, the polarity of the load leads is not critical, either lead may be connected to either the M1 or M2 terminal. Page 143 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 144 8. Remove the ground lead of the wrist strap from the EFX frame, and then remove the wrist strap from your arm. 9. Re-install the rear cover, and then check the operation of the EFX 885, 835 as described in Section Seven. Page 144...
  • Page 145 11. Disconnect the lower interconnect cable from the mid-point connector. Tape the replacement interconnect cable to the old interconnect cable at the lower PCA end of the old interconnect cable. Page 145 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 146 Connect the lower interconnect cable to the mid-point connector and push them into the access hole. 13. Connect the new interconnect cable to the lower PCA. 14. Check the operation of the EFX as described in Section Seven. Page 146 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 147 6. Position the crankarm on the input pulley shaft. Thread and hand tighten the axle bolt into the input pulley shaft. Torque the axle bolt to 200 in/lbs. Page 147 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 148 9. If you are replacing both crankarm assemblies, repeat steps 6 and 7 for the second crankarm assembly. 10. Replace the right side and/or left side rear cover. Page 148 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 149 11. Calibrate the incline motor per Procedure 8.3. 12. Replace front and upper cover sections per Procedure 10.2. 13. Check the operation of the EFX as described in Section Seven. Page 149 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 150 13. Tension both belts per Procedure 8.2. Note the differences between tensioning a new belt and a existing (used) belt. 14. Check the operation of the EFX as described in Section Seven. Page 150 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 151 17. Tension both belts per Procedure 8.2. Note the differences between tensioning a new belt and an existing (used) belt. 18. Check the operation of the EFX as described in Section Seven. Page 151 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 152 10. Tension both belts per Procedure 8.2. Note the differences between tensioning a new belt and a existing (used) belt. 11. Replace the left and right side rear covers. Page 152 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 153 8. Tension both belts per Procedure 8.2. Note the differences between tensioning a new belt and a existing (used) belt. 9. Replace the crankarms per Procedure 10.5. 10. Replace the left and right side rear covers. Page 153 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 154 Slide the ramp trim(s) off the front of the ramp. 6. Remove the screw retaining the wheel being replaced. Refer to Diagram 10.11.2. Slide the wheel off the stairarm axle. Page 154 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 155 11. Align the ramp trim(s) with the ramp end cap and tighten the five trim mounting screws. 12. Set the ramp center cover at its mounting position and press downward to snap it onto place. 13. Replace the lift cover per Procedure 10.2. Page 155 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 156 3. Set the replacement stairarm pedal at its mounting position on the stairarm. 4. Install and tighten the stairarm pedal mounting hardware removed in step 2. Diagram 10.12.1 - Stairarm Pedal Pedal Stairarm Plastic Spacer Mounting Screw Page 156 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 157 2. Remove the stairarm pedal per Procedure 10.12 and install it on the replacement stairarm. 3. Remove both wheels and slide them onto t mounting screws and torque the wheel mounting screws to 180 inch pounds. Page 157 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 158 10. Replace the lift cover per Procedure 10.2. 11. Replace the stairarm cover(s) with the hardware removed in step 2. 12. Replace the left and right side covers per Procedure 10.1. Page 158 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 159 (Procedure 8.3) must be performed before the incline motor is reinstalled in the ramp. Diagram 10.14.2 - Front Ramp Mounting Incline Yoke Incline Yoke Mounting Bolts Page 159 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 160 14. Align the ramp trim(s) with the ramp end cap and tighten the five trim mounting screws. 15. Set the ramp center cover at its mounting position and press downward to snap it onto place. 16. Replace the lift cove per Procedure 10.2. Page 160 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 161 6. Securely tighten the handlebar to stairarm connector bolt. Replace the plastic cap on the stairarm connector. 7. Torque the handlebar to handlebar pivot bolts to 150 inch pounds. Page 161 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 162 Position the handlebar and stairarm connector at their mounting positions and hand start the mounting bolt. 6. Securely tighten the handlebar to stairarm connector bolt. Replace the plastic cap on the stairarm connector. Page 162 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 163 9. Set the replacement generator at its mounting position. Remove the three generator mounting screws, the two bearing clamp screws and the bearing clamp. Lift the generator and place the drive belt around the Page 163 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 164 12. Adjust the generator drive belt tension per Procedure 8.2. 13. Reconnect the red battery lead removed in step 1 and replace the rear cover. 14. Check the operation of the EFX as described in Section Seven. Page 164 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 165 10. Set the lower front cover section in its mounting position and fasten it with the four screws removed in step 11. Replace the lift cover per Procedure 10.2. Page 165 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 166 J4 connector on the lower PCA. 7. Replace the left and right side rear covers. 8. Check the operation of the EFX as described in Section Seven. Page 166 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 167 7. Torque the four mounting bolts to 480 inch pounds (40 foot pounds). 8. Torque the two pivot bolts to 780 inch pounds (65 foot pounds). 9. Thoroughly, test all incline functions. Page 167 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 168 5. Torque the bearing shaft to 150 foot pounds (1800 inch pounds). 6. Replace the handlebar per Procedure 10.15. 7. Insert the cap into the upper end of the upper pivot arm. Page 168 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 169 EFX 885, 835, 825 Service Manual 20039-166 Section Eleven Future Content Section Twelve Future Content Section Thirteen Future Content Page 169 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 170 EFX 885, 835, 825 Service Manual 20039-166 Section Fourteen Wiring Diagrams Wiring Diagram 14.1 EFX WIRING DIAGRAM P80, P30, & P20 EFX P30/P20 DISPLAY Page 170 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...
  • Page 171 EFX 885, 835, 825 Service Manual 20039-166 Block Diagram 14.2 EFX 835 Page 171 ©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law...

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