Precor C954 Serivce Manual
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Precor C954 Serivce Manual

Precor C954 Serivce Manual

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C954, C956 Treadmill
C954, C956 Treadmill
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.
© 2003 Precor Incorporated
Unauthorized Reproduction and Distribution Prohibited By Law
2007-107
20077-107
Page 1

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  • Page 1 C954, C956 Treadmill 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: Section One - Things You Should Know

    Things you Should Know About This Appendix The C954 and C956 have been manufactured in three versions. When servicing a C954 or C956 it is critical that you are aware of which version of version you are servicing. The differences in the versions may greatly impact service requirements and procedures.
  • Page 3 C954, C956 Treadmill General Information For the latest exploded view diagram, part number and part pricing information, visit the Precor dealer website at “www.precor.com/Dealer. Technical Specifications Physical Specifications Length: 84 inches (213 cm.) Width: Handrails 36.75 inches (93 cm.) Base 33.75 inches (86 cm.) Height: 55 inches (140 cm.) version 1 &...

  • Page 4: Procedure 2.1 - Accessing The Diagnostic Software

    Note: The numeric keys may also be used for the all keys in the access sequence except for the RESET key. With the PRECOR banner scrolling, press keys RESET,5,1,7,6,5,7,6,1, sequentially. Watch the electronic display as the display test progresses. This test illuminates all of the LEDs on the display.
  • Page 5 C954, C956 Treadmill The keyboard test will place two dots on the display for each key on the display, including the numeric keypad. Pressing a key will cause the upper of the two dots associated with the key to go out. Test all of the keys in this manner. Tug on the safety key lanyard, to ensure that the STOP key is activated.
  • Page 6 C954, C956 Treadmill 20. The belt power test is similar to the belt speed test except that the SPEED keys control the power bits (PWM value) instead of the belt speed. 21. The same (see step 16) values will be displayed as in the belt speed test.

  • Page 7: Procedure 2.2 - Displaying Information

    Plug the power cord into the wall outlet, then turn on the treadmill with the circuit breaker. With the PRECOR banner scrolling, press the keys RESET,6,5, sequentially. The treadmills odometer will be displayed as 1234567 MPH or 1234567 KPH depending on club settings (See Procedure 2.3).
  • Page 8 C954, C956 Treadmill 12. When the QUICK START key is held for 2 seconds the message HOLD TO CLEAR ERRORS will be displayed. If the QUICK START key is held for an additional 2 seconds, the message CLEARED will be displayed. When the QUICK START key is released the message NO MORE ERRORS will be displayed and all error are erased from the log.

  • Page 9: Procedure 2.3 - Selecting Club Settings

    C954, C956 Treadmill Procedure 2.3 - Selecting Club Settings This procedure allows you to change the following club settings: • Language • Measurement Units • Maximum Speed • Maximum Workout Time • Maximum Pause Time • Cool Down Time (version 3, only) •...
  • Page 10 C954, C956 Treadmill 11. Press the ENTER key to select the currently displayed maximum speed or the STOP key to leave the original maximum speed selected. Select Maximum Workout Time 12. The prompt SET MAX WORKOUT TIME will be displayed. The currently selected maximum workout time will then be displayed.
  • Page 11 C954, C956 Treadmill 24. Press the ENTER key to save the modified custom course or the STOP key to leave the custom course unchanged. 25. The prompt MODIFY CUSTOM COURSE 2 will be displayed. The currently stored custom course will then be displayed.

  • Page 12: Procedure 2.4 - Documenting Software Problems

    C954, C956 Treadmill Procedure 2.4 - Documenting Software Problems When a problem is found with the software in the upper or lower PCA, record the information listed below. When a problem occurs, record the following information: • Model and serial number •...
  • Page 13 C954, C956 Treadmill Section Three - Checking Treadmill Operation This section provides you with a quick method of checking treadmill operation. Check treadmill operation at the end of a maintenance procedure and when it is necessary to ensure that the treadmill is operating properly.

  • Page 14: Procedure 4.1 - Calibrating The Lift Motor

    C954, C956 Treadmill Procedure 4.1 - Calibrating the Lift Motor Set the treadmill circuit breaker in the “off” position and unplug the line cord from the wall outlet. Remove the hood. Place the treadmill on its right side. Remove hitch and clevis pins that secure the lift tube to the lift platform.
  • Page 15 C954, C956 Treadmill Plug the power cord into the wall outlet, set the treadmill circuit breaker in the “on” position. Press keys RESET, 5,1,7,6,5,7,6,1, sequentially to enter the diagnostics routine. Refer to Procedure 2.1 and advance to the lift test. When the lift calibration number is displayed on...

  • Page 16: Procedure 4.2 - Adjusting Drive Belt Tension

    C954, C956 Treadmill Procedure 4.2 - Adjusting Drive Belt Tension Set the treadmill circuit breaker in the “off” position and unplug the line cord from the wall outlet. Remove the hood. Place the drive belt tension gauge on the drive belt as shown in Diagram 4.2.
  • Page 17 C954, C956 Treadmill Version 3 units only If the drive belt tension is less than 70 or greater than 90 pounds, slightly loosen the four drive motor mounting bolts. The drive motor mounts on slotted holes allowing the drive motor to be move forward or rearward. Move the drive motor forward or rearwards, as required, until the belt gauge reads approximately 80 pounds and tighten the four drive motor mounting bolts.

  • Page 18: Procedure 4.3 - Treadmill Belt Cleaning

    C954, C956 Treadmill Procedure 4.3 - Treadmill Belt Cleaning Procedure: First, check for proper operation of the safety stop key. Stand to one side of the treadmill. Insure that the stop key tether is hanging straight down from the stop key and is not wrapped around the handle bars.
  • Page 19 C954, C956 Treadmill Turn the power off. Place your hands on the towel and push it up and down the length of the running deck several times to clean the deck. Remove the towel. Safety Stop Key Tether It is recommended that this procedure be performed frequently to extend the life of the running belt and running deck.

  • Page 20: Procedure 5.1 - Troubleshooting The Keypad And Upper Pca

    C954, C956 Treadmill Procedure 5.1 - Troubleshooting the Keypad and Upper PCA If the function keys on the electronic console are unresponsive, the problem may be either the upper PCA or keypad. The keys on this unit are touch sensitive keys. It is necessary to use the keypad diagnostics to troubleshoot the key functions.
  • Page 21 The display housing front panel is equipped with the keypad. 10. If you have performed all of the procedures above and have been unable to correct the problem, call Precor customer service. 11. Access the diagnostics program per procedure 2.1. If the key(s) necessary to access the diagnostic program is not functioning, skip to step 14.
  • Page 22 C954, C956 Treadmill Procedure 5.2 - Troubleshooting the Lift System (version 1 & 2) Lift System Description: The lift system on these units consists of an AC line voltage driven lift motor (120 Vac or 240 Vac), and an internal 1 KΩ potentiometer for lift position identification. The lift motor contains two motor windings, one to operate the motor in an “upward”...
  • Page 23 12. If you have performed all of the procedures above and have been unable to correct the problem, call Precor customer service. 13. Set the treadmills circuit breaker in the “off” position and remove the AC line cord from the AC outlet.
  • Page 24 15. If you have performed all of the procedures above and have been unable to correct the problem, call Precor customer service. 16. Set the treadmills circuit breaker in the “off” position and remove the AC line cord from the AC outlet.

  • Page 25: Procedure 5.3 - Troubleshooting The Speed Sensor

    C954, C956 Treadmill Procedure 5.3 - Troubleshooting the Speed Sensor Note: The speed sensor is a hall effect sensor that emits a pulse when a flywheel lobe passes between its transmitter and receiver. The speed control circuit processes the pulse train emitted by the speed sensor.
  • Page 26 Try substituting the lower PCA first then the upper PCA, if necessary. If you have performed all of the above procedures and have been unable to correct the problem, call Precor Customer Support. Page 1-26 Page 26...
  • Page 27 C954, C956 Treadmill Procedure 5.4 - Troubleshooting the Fan Sensor (Units manufactured prior to 9/29/2000) Note: The fan sensor function was discontinued on 9/29/2000. This section pertains only to units manufactured prior to 9/29/2000. The fan sensor is an infrared photo-eye sensor that emits a pulse when the infrared beam emitted by its transmitter is reflected back to its receiver.
  • Page 28 11. If you have performed all of the above procedures and have been unable to correct the problem, call Precor Customer Support. 12. Set the treadmills circuit breaker in the “off” position. Replace fuse F3. Remove the fan wires from terminals M2 (blue) and M3 (brown) of the lower logic PCA.

  • Page 29: Procedure 5.5 - Troubleshooting Hand Held Heart Rate

    C954, C956 Treadmill Procedure 5.5 - Troubleshooting Hand Held Heart Rate Circuit Description The hand held heart rate system is actually a dual system, that is, it can accept a heart rate signal from either the hand held heart rate contacts on the unit’s handlebar or from a Polar heart rate chest strap transmitter.
  • Page 30 C954, C956 Treadmill No hand held reading - Normal chest strap reading Access the diagnostic program (Procedure 3.2). Advance to the heart rate display portion of the diagnostic program. Verify that a hand held signal is not being accepted by firmly grasping both the right and left hand held contacts with the opposite hands, right hand on the left handlebar contacts and left hand on the right handlebar contacts.
  • Page 31 C954, C956 Treadmill No hand held reading - No chest strap reading Access the diagnostic program (Procedure 3.2). Advance to the heart rate display portion of the diagnostic program. Verify that neither a chest strap signal or a hand held signal is being accepted with either a heart rate test transmitter or a chest strap transmitter.

  • Page 32: Procedure 5.6 - Troubleshooting The External A.c. Power Source

    Procedure 5.6 - Troubleshooting the External A.C. Power Source It is extremely important that any Precor treadmill be connected to and operated on a dedicated 20 amp A.C. circuit. A 20 amp dedicated circuit is defined as: a circuit fed by a 20 amp circuit breaker that feeds a single load.
  • Page 33 C954, C956 Treadmill The circuit breaker correctly feeds a single A.C. outlet but the neutral is common between several A.C. outlets. The common neutral lead must be removed from treadmills A.C. outlet and a new neutral lead from the treadmills A.C. outlet to the A.C. neutral distribution bar must be added.

  • Page 34: Procedure 5.7 - Troubleshooting The Lift System (Version 3)

    C954, C956 Treadmill Procedure 5.7 - Troubleshooting the Lift System (version 3) Lift System Description: The lift system on these units consists of an AC line voltage driven lift motor (120 Vac), and an internal 1 KΩ potentiometer for lift position identification. The lift motor contains two motor windings, one to operate the motor in an “upward”...
  • Page 35 12. If you have performed all of the procedures above and have been unable to correct the problem, call Precor customer service. 13. Set the treadmills circuit breaker in the “off” position and remove the AC line cord from the AC outlet.
  • Page 36 15. If you have performed all of the procedures above and have been unable to correct the problem, call Precor customer service. 16. Set the treadmills circuit breaker in the “off” position and remove the AC line cord from the AC outlet.
  • Page 37 C954, C956 Treadmill Procedure 5.8 - Running Belt & Deck Troubleshooting This procedure is to be used to determine the condition of the running belt and running deck combination. A clamp-on ammeter will be used to measure the treadmill’s A.C. input current under load.
  • Page 38 C954, C956 Treadmill If the peak A.C. current readings are greater than on a new running belt and deck combination but not approaching 20 amperes, the reading will give you an indication of the running belt and deck combination’s general condition.

  • Page 39: Procedure 6.1 - Replacing The Lift Motor

    C954, C956 Treadmill Procedure 6.1 - Replacing the Lift Motor Note: The replacement lift motor must be calibrated prior to installation (See Procedure 4.1). The lower PCA bracket assembly must be removed to gain access to the lift motor. The defective lift motor is then removed and the calibrated replacement lift motor is installed.

  • Page 40: Procedure 6.2 - Replacing The Lift Platform

    C954, C956 Treadmill Procedure 6.2 - Replacing the Lift Platform Set the treadmill circuit breaker in the “off” position. Remove the AC line cord from the AC outlet. Remove the treadmill hood. Carefully, lay the treadmill on its right side.
  • Page 41 C954, C956 Treadmill Diagram 6.2 - Lift Platform Mounting (version 3) Lift Platform Retaining Bolt Retaining Bolt Lift Pin Alignment Hole Slide a 5/32 inch allen wrench or similar slender tool into the alignment hole as shown in Diagram 6.3. Pull the right hand (lower) lift pin out of the treadmill frame.
  • Page 42 C954, C956 Treadmill 13. Slide the allen wrench into the left hand (upper) lift pin alignment hole and tap the lift pin into its frame bushing as described in step 12. 14. Slide the retaining bolt into its mounting hole and apply slight inward pressure on the retaining bolt.

  • Page 43: Procedure 6.3 - Replacing The Lower Logic Pca (Version 1)

    July 2, 2001. To replace the lower PCA on a version 1 C954, order (1) 59036-102 C954 lower PCA retrofit kit. The kit comes complete with all necessary parts and installation instructions. To replace the lower PCA on a version 1 C956, order (1) 59036-104 C954lower PCA retrofit kit.

  • Page 44: Procedure 6.4 - Replacing The Lower Power Pca (Version 1)

    July 2, 2001. To replace the lower PCA on a version 1 C954, order (1) 59036-102 C954 lower PCA retrofit kit. The kit comes complete with all necessary parts and installation instructions. To replace the lower PCA on a version 1 C956, order (1) 59036-104 C954lower PCA retrofit kit.

  • Page 45: Procedure 6.5 - Replacing The Fan Sense Pca

    C954, C956 Treadmill Procedure 6.5 - Replacing the Fan Sense PCA Note: The fan sense function was discontinued on 9/29/2000. If a fan alarm is (error 13) being initiated, replace the lower logic PCA software (Prom) with version 1.03 or higher. Replacing the software will disable the fan sense function.

  • Page 46: Procedure 6.6 - Replacing The Speed Sensor

    C954, C956 Treadmill Procedure 6.6 - Replacing the Speed Sensor Set the treadmill circuit breaker in the “off” position. Remove the AC line cord from the AC outlet. Disconnect the plug from the J2 connector on the lower logic PCA.
  • Page 47 C954, C956 Treadmill 11. Set the treadmill circuit breaker in the “on” position and check treadmill operation per Procedure 3. 20077-107 Page 47...

  • Page 48: Procedure 6.7 - Replacing Drive Motor

    C954, C956 Treadmill Procedure 6.7 - Replacing Drive Motor Set the treadmill circuit breaker in the “off” position and unplug the treadmills line cord from the AC outlet. Remove the hood. The drive motor and flywheel are balanced as a matched pair. Since the flywheel is balanced to a specific motor, flywheels should not be removed and installed on a different motor.
  • Page 49 C954, C956 Treadmill 15. Re-install the hood. 16. Check treadmill operation per Procedure 3. 20077-107 Page 49...

  • Page 50: Procedure 6.8 - Replacing The Circuit Breaker

    C954, C956 Treadmill Procedure 6.8 - Replacing the Circuit Breaker Set the treadmill circuit breaker in the “off” position and unplug the treadmills line cord from the AC outlet. Remove the four screws that fasten the circuit breaker mounting plate to the treadmill. See Diagram 6.10.
  • Page 51 C954, C956 Treadmill Remove the circuit breaker mounting screws. Remove the circuit breaker from the treadmill. Set the replacement circuit breaker in its mounting position. Fasten the circuit breaker to the circuit breaker mounting panel using the screws removed in step 4.

  • Page 52: Procedure 6.9 - Replacing The Line Filter

    C954, C956 Treadmill Procedure 6.9 - Replacing the Line Filter Set the treadmill circuit breaker in the “off” position and unplug the treadmills line cord from the AC outlet. Remove the four screws that fasten the circuit breaker mounting plate to the treadmill. See Diagram 6.10 or 6.11.

  • Page 53: Procedure 6.10 - Replacing The Line Cord

    C954, C956 Treadmill Procedure 6.10 - Replacing the Line Cord Set the treadmill circuit breaker in the “off” position and unplug the treadmills line cord from the AC outlet. For versions 1 and 2 units, continue with step 3. Skip to step 11 for version 3 units.
  • Page 54 C954, C956 Treadmill 12. Remove the line cord from the line cord socket. 13. Insert the replacement line cord in the line cord socket, be sure that the line cord is fully engaged with the line cord socket. Tighten the line cord socket clamping screw. It is extremely important that the line cord is fully engaged in the line cord socket.

  • Page 55: Procedure 6.11 - Replacing The Drive Motor Cooling Fan

    C954, C956 Treadmill Procedure 6.11 - Replacing the Drive Motor Cooling Fan Set the treadmill circuit breaker in the “off” position and unplug the treadmills line cord from the AC outlet. Remove the hood. Remove the drive motor per Procedure 6.7, steps 2-8.

  • Page 56: Procedure 6.12 - Replacing The Drive Motor Brushes

    C954, C956 Treadmill Procedure 6.12 - Replacing the Drive Motor Brushes Set the treadmill circuit breaker in the “off” position and unplug the treadmills line cord from the AC outlet. Remove the hood. Remove the drive motor per Procedure 6.7, steps 2-6.
  • Page 57 C954, C956 Treadmill Repeat 3-8 with remaining drive motor brush. 10. Replace the drive motor per Procedure 6.7, steps 11-14. 11. Re-install the hood. 12. Check treadmill operation per Procedure 3. 20077-107 Page 57...

  • Page 58: Procedure 6.13 - Replacing The Lower Pca (Version 2)

    C954, C956 Treadmill Procedure 6.13 - Replacing the Lower PCA (version 2) Set the treadmill circuit breaker in the “off” position. Remove the AC line cord from the AC outlet. Note the routing and tie down points of all of the wiring coming into the lower PCA. This information will be required after the replacement lower PCA has been installed.
  • Page 59 C954, C956 Treadmill If the treadmill being serviced operates on 120Vac, the 120Vac jumper must be removed from the defective lower power PCA and re-installed on the replacement lower power PCA between the M1 connector and the M6 connector. Caution If the treadmill being serviced operates on 240 Vac, the jumper in step 7 must not be installed.

  • Page 60: Procedure 6.14 - Replacing The Lower Pca (Version 3)

    C954, C956 Treadmill Procedure 6.14 - Replacing the Lower PCA (version 3) Set the treadmill circuit breaker in the “off” position. Remove the AC line cord from the AC outlet. Note the routing and tie down points of all of the wiring coming into the lower PCA. This information will be required after the replacement lower PCA has been installed.

  • Page 61: Procedure 6.15 - Replacing The Prom

    C954, C956 Treadmill Procedure 6.15 - Replacing the PROM Anti-static kits (part number 20024-101) can be ordered from Precor. The PROM and the associated printed circuit assembly (PCA) are static sensitive. Anti- static devices must be used and all anti-static precautions must be followed during this procedure.

  • Page 62: Procedure 6.16 - Drive Roller Replacement

    C954, C956 Treadmill Procedure 6.16 - Drive Roller Replacement Note: Two running belt gauges, Precor part number 20007-101, are required. It is important that this procedure be followed to maintain correct drive belt and running belt tension. Over tensioning the belt will lead to premature running belt wear, premature driver roller bearing failure and premature take up roller bearing failure.
  • Page 63 C954, C956 Treadmill Place the drive belt on the new drive roller and use as a handle to slide the drive roller through the running belt and into place. Hand tighten both drive roller mounting bolts. Make sure the running belt is in the center of the deck, the spacing should be the same on each side of the running belt to the edge of the running deck.
  • Page 64 C954, C956 Treadmill Walk the drive belt onto the drive roller pulley by rotating the drive motor flywheel. Be sure the belt is fully seated in the grooves of both pulleys and correctly aligned. A drive belt tension gauge should read 100-120 pounds. The drive belt de-tension after use. A range of 80-90 pounds after the belt has been installed for a while is acceptable.
  • Page 65 C954, C956 Treadmill 11. Carefully move the running belt so that you can see the dials easily while tightening the take up roller mounting bolts. Tighten the take up roller mounting bolts alternately in order to evenly tighten the running belt. Tighten bolts until the gauges read .55%, which is five and 1/2 lines past the number 3.

  • Page 66: Procedure 6.17 - Take Up Roller Replacement

    C954, C956 Treadmill Procedure 6.17 - Take Up Roller Replacement Note: Two running belt gauges, Precor part number 20007-101, are required. It is important that this procedure be followed to maintain correct drive belt and running belt tension. Over tensioning the belt will lead to premature running belt wear, premature driver roller bearing failure and premature take up roller bearing failure.
  • Page 67 C954, C956 Treadmill the left and right side mounting bolts so the bolts will tension evenly which will reduce the stress on the threads of the bolts. The left side drive roller shaft will tighten flush to the front frame bracket.
  • Page 68 C954, C956 Treadmill 13. Remove both gauges from the running belt. Running Belt Tracking Adjustment 14. Place a reference point on the deck right next to one edge of the running belt so that any side to side movement can be observed, a white grease marker works well. Start the treadmill and set the speed to 1 mph.

  • Page 69: Procedure 6.18 - Running Belt And/Or Deck Replacement

    C954, C956 Treadmill Procedure 6.18 - Running Belt and/or Deck Replacement Note: Two running belt gauges, Precor part number 20007-101, are required. It is important that this procedure be followed to maintain correct drive belt and running belt tension. Over tensioning the belt will lead to premature running belt wear, premature driver roller bearing failure and premature take up roller bearing failure.
  • Page 70 C954, C956 Treadmill Remove the four bolts and the retaining plates that hold the deck to the frame. Lift the deck and running belt up and away from the treadmill. Remove both drive roller mounting bolts releasing the tension evenly on both sides.
  • Page 71 C954, C956 Treadmill discard. Remove the inserts from the deck and flip it over. re-insert them into the new deck surface. If the deck has already been flipped replace it with a new deck. Make sure that the new deck surface is clear of debris.
  • Page 72 C954, C956 Treadmill 10. Slide the running deck back into position over the running deck pivot bracket. Align the bottom plate and pivot bracket holes with the running deck bolt holes. Replace the plates and the running deck mounting bolts removed in step 7. Only hand tighten the bolts at this time.
  • Page 73 C954, C956 Treadmill 13. Tighten the bolts so the deck is secure. Torque the bolts to 150 inch pounds. 14. Make sure the running belt is in the center of the deck, the spacing should be the same on each side of the running belt to the edge of the running deck.
  • Page 74 C954, C956 Treadmill 16. Walk the drive belt onto the drive roller pulley by rotating the drive motor flywheel. Be sure the belt is fully seated in the grooves of both pulleys and correctly aligned. A drive belt tension gauge should read 100-120 pounds.
  • Page 75 C954, C956 Treadmill 17. Move the running belt so that the seam is underneath the treadmill. Place a running belt tension gauge on each side of the running belt parallel from each other. The gauges have a fixed side and a movable side.
  • Page 76 C954, C956 Treadmill drifting stops. The adjustments should only be done in 1/4 turn increments. NOTE: ONLY use the right side take up roller mounting bolt to adjust tracking. 21. Increase the speed to 3 mph for a minute, then 6 mph, 9 mph and finally 12 mph, making any small adjustments as needed.
  • Page 77 C954, C956 Treadmill Wiring Diagram 7.1 - C954, C956 (version 1) 20077-107 Page 77...
  • Page 78 C954, C956 Treadmill Block Diagram 7.2 - C954, C956 120 Vac (version 1) Note: Fan sense function removed on units manufactured sfter 9/29/2000 Page 1-78 Page 78...
  • Page 79 C954, C956 Treadmill Block Diagram 7.3 - C954, C956 240 Vac (version1) Note: Fan sense function removed on units manufactured sfter 9/29/2000 20077-107 Page 79...
  • Page 80 C954, C956 Treadmill Wiring Diagram 7.4 - C954, C956 120 Vac (version 2) Page 1-80 Page 80...
  • Page 81 C954, C956 Treadmill Wiring Diagram 7.5 - C954, C956, 240 Vac (version 2) 20077-107 Page 81...
  • Page 82 C954, C956 Treadmill Block Diagram 7.6 - C954, C956 120 Vac (version 2) Page 1-82 Page 82...
  • Page 83 C954, C956 Treadmill Block Diagram 7.7 - C954, C956 240 Vac (version 2) 20077-107 Page 83...
  • Page 84 C954, C956 Treadmill Wiring Diagram 7.8 - C954, C956 120 Vac (version 3) Page 1-84 Page 84...
  • Page 85 C954, C956 Treadmill Wiring Diagram 7.9 - C954, C956 240 Vac (version 3) 20077-107 Page 85...
  • Page 86 C954, C956 Treadmill Block Diagram 7.10 - C954, C956 120 Vac (version 3) Page 1-86 Page 86...
  • Page 87 C954, C956 Treadmill Block Diagram 7.11 - C954, C956 240 Vac (version 3) 20077-107 Page 87...

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C956

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