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C554i Elliptical Fitness Crosstrainer 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.
C554i Self Powered Elliptical Fitness Crosstrainer Section One - Things You Should Know Right, Left, Front, and Back Conventions In this manual, right, left, front, and back are from the perspective of a user standing on the EFX, facing the display enclosure.
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C554i Self Powered Elliptical Fitness Crosstrainer • Exercise caution when touching any wire or electrical component during EFX operation. • A pinching hazard exists when the unit is operated by turning the crankarms by hand. It is possible to seriously pinch a finger between the crankarm and stairarm. The stairarms should be removed before operating the crankarms by hand.
C554i Self Powered Elliptical Fitness Crosstrainer 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 Allen wrench set Anti-static kit Screwdriver set 4” - 6” gear puller 7/16”...
Regular Preventive Maintenance (Owner) Cleanliness of the EFX and its operating environment will keep maintenance problems and service calls to a minimum. Precor recommends that you perform the following preventive maintenance schedule. After Each Use •...
C554i Self Powered Elliptical Fitness Crosstrainer Quarterly Maintenance Remove the rear covers. Check the step up and input belt alignment and tension as in Procedure 5.2. Replace the rear cover. On-Site Preventive Maintenance (Service Technician) When you are called to service a EFX, perform these preventive maintenance activities: •...
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 3.1 - Software Access Codes The C554i uses the standard access codes to provide access to the various software features. In using the standardized access codes the keys are hypothetically numbered left to right with key #1 on the far left and key #7 on the far right.
The message HEART RATE TEST will be displayed followed by the unfiltered (U), filtered (F) and polar (P) heart rate readings if the heart rate option is installed in the C554i and a chest strap transmitter or a test transmitter is being used. If the heart rate option is not installed in the C554i, the message NO HEART RATE RECEIVER will be displayed instead of the heart rate readings.
The message TOTAL STRIDES will be displayed followed by the total number of strides logged on the C554i. Press the ENTER key to advance to hour meter. The message HOUR METER will be displayed followed by the total number of hours that the EFX has been in use.
Procedure 3.4 - Club Settings Start pedalling and continue to pedal as you perform step 2. With the PRECOR banner scrolling, press keys RESET,5,6,5,1,5,6,5, sequentially. The message SET CLUB PARAMETERS will be displayed for a few seconds. The message SELECT LANGUAGE will be displayed followed by the currently selected keys to select the language preference.
If you isolated the problem to either the PROM, upper PCA, or lower PCA, include the information you recorded with the malfunctioning PROM or PCA when you ship it to Precor. When a problem occurs, record the following information: •...
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Start striding on the EFX or plug the optional external power supply (when available) into the EFX and the AC outlet. When the PRECOR banner scrolling, press QUICK START. Select Resistance Level 1 and press ENTER. Operate the EFX for 4–5 minutes. As you operate the EFX, concentrate on the operating sounds made by the unit.
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 5.1 - Measuring the Resistance of a Generator Caution Remove power from the EFX before you measure magnet resistance. Procedure Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Replace the generator per Procedure 7.19. Reconnect the intermediate cable removed in step 5 to the replacement generator and the lower PCA. Reconnect the red battery lead to terminal M6 of the lower PCA.
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 5.2 - Inspecting and Adjusting Belt Tension Procedure Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA. If you are only inspecting the generator belt tension, skip to step 7.
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C554i Self Powered Elliptical Fitness Crosstrainer The belt gauge should read 100 lbs. If the belt tension is significantly high or low the belt tension may be adjusted using the adjustment bolts shown in Diagram 5.2. To adjust the belt tension first straighten the locking tabs on both bolts. When adjusting the tension, turn both bolts equal amounts.
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C554i Self Powered Elliptical Fitness Crosstrainer If either the input pulley belt or the generator belt is being replaced with a new belt, the belt tension should be set 20 lbs. higher than the previous readings. Therefore a new input pulley belt should be tensioned to 120 lbs.
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 6.1 - Troubleshooting the Lower and Upper Interconnect Cable Typical symptoms associated with a defective interconnect cable is either an error 30 or no power to the upper PCA. This procedure requires that you have a known good upper interconnect cable, lower interconnect cable and mid-point connector.
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C554i Self Powered Elliptical Fitness Crosstrainer Remove the rear cover. Disconnect the lower interconnect cable from the lower PCA and the mid-point connector. Substitute a known good interconnect cable from the lower PCA to the mid-point connector. It is not necessary to route the test interconnect cable through the frame tube, for convenience route it externally.
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 6.2 - 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.
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C554i Self Powered Elliptical Fitness Crosstrainer Set the on/off switch in the “on” position. If a Error 5 “key depressed” message is immediately displayed when the EFX is powered up, replace the upper PCA. If a Error 5 “key depressed” message is not displayed when the EFX is powered up, replace the display housing front panel.
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 6.3 - Upper Display does not Illuminate Because this is self powered unit, the display will not illuminate until it is used or the optional external power supply is equipped. If the optional external power supply is equipped, the display should be constantly illuminated.
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C554i Self Powered Elliptical Fitness Crosstrainer Diagram 6.3 - Partial View of Lower PCA DGND, TP14 PROM +5D, TP13 DS1 LED J2 Connector 10. Troubleshoot the upper to lower PCA interconnect cables per Procedure 6.1. 11. If the upper to lower interconnect cables are found to be good, replace the upper PCA.
C554i Self Powered Elliptical Fitness Crosstrainer Procedure 6.4 - Troubleshooting the Generator The generator performs three functions in the EFX. First, by controlling the amount of electrical load applied to the generator, the user’s pedalling resistance is controlled. Second, the generator is used to charge the EFX’s internal battery.
Procedure 7.1 - Replacing the Display Enclosure or Upper PCA Anti-static kits (part number 20024-101) can be ordered from Precor. The keyboard is part of the display housing front panel. If the keyboard is not functioning properly, replace the display housing front panel.
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C554i Self Powered Elliptical Fitness Crosstrainer Diagram 7.1 - Display Housing Front Panel, Rear View Upper PCA J5 Connector Keypad Connector Keypad Position the upper PCA at its mounting location on the display housing front panel (refer to Diagram 7.1). Replace and tighten the upper PCA mounting screws.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.2 - Replacing the Lower PCA Removing the Lower PCA Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA. WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know.
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C554i Self Powered Elliptical Fitness Crosstrainer Replacing the Lower PCA Position the replacement lower PCA at its mounting position and fasten the lower PCA with the four screws removed in step 5. Reconnect the lower PCA cables and wiring as follows. Connect the interconnect cable to connector J2.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.3 - Replacing a Lower or Upper Interconnect Cable Procedure Note: Before you install a new interconnect cable, ensure that the interconnect cable is defective. Refer to Procedure 6.1. Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Securely tape one end of the replacement lower interconnect cable to the lower PCA end of the existing lower interconnect cable. Carefully draw the existing lower interconnect cable out of the front of the frame as you carefully feed the replacement cable into the access hole near the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.4 - Replacing a Crankarm Assembly Removing a Crankarm Assembly WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. It is only necessary to remove the right or left side of the rear cover to access the crankarm being replaced.
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C554i Self Powered Elliptical Fitness Crosstrainer Replacing a Crank Arm Assembly Clean the crankarm mounting bolt threads and the input pulley shaft threads with an alcohol swab. Allow them to dry and apply blue loctite to the crankarm mounting bolt threads.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.5 - Replacing the Input Pulley Belt WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.6 - Replacing the Generator Pulley Belt WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer 17. Tension both belts per Procedure 5.2. Note the differences between tensioning a new belt and a existing (used) belt. 18. Replace the red battery lead removed in step 1 and check unit operation as described in Section Four.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.7 - Replacing the Input Pulley Assembly WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Remove the input pulley assembly. Slide input pulley belt off of the input pulley assembly. Hold the replacement input pulley assembly at it’s mounting position and slide the input belt over and past the pillow block bearing and onto the input pulley assembly.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.8 - Replacing the Step-Up Pulley Assembly WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.9 - Replacing a Wheel Assembly Procedure On February 2, 2004 the wheel assembly was modified to a wheel assembly utilizing larger bearings and a larger mounting bolts. If the wheel being replaced has large (5/16-18) mounting bolts, skip to step 7.
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C554i Self Powered Elliptical Fitness Crosstrainer Thoroughly test the operation of the wheel assemblies. Remove the two wheel axle bolts from the wheel. Discard the bolts and the wheel. Replacement wheel mounting bolts are furnished with the replacement wheel. Install the replacement wheel assembly in the wheel cover. Install and hand tighten the two wheel axle bolts.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.10 - Replacing a Stairarm Pedal Loosen and remove the two bolts that fasten the stairarm pedal onto the stairarm. Remove the stairarm pedal from the stairarm. Set the replacement stairarm pedal at it’s mounting position on the stairarm.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.11 - Replacing a Stairarm Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA. Remove the stairarm pedal per Procedure 7.10. Diagram 7.7 - Pivot Arm Connector...
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C554i Self Powered Elliptical Fitness Crosstrainer 10. Slide the large plastic spacer onto the stairarm peg. Slide the spacer into the bushing in the handlebar linkage and place a washer on each side of the spacer. Set the handlebar linkage at its mounting position and fasten it with the bolt removed in step 3.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.12 - Replacing a Ramp Assembly Procedure. Remove the three bolts that fasten each pivot arm connector to the stairarm. See Diagram 7.5. Rotate both stairarms to the rear of the unit. Remove the screws that fasten the ramp end cap to the ramp assembly. Slide the ramp end cap out of the ramp assembly and rotate the ramp assembly toward the rear of the unit.
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C554i Self Powered Elliptical Fitness Crosstrainer Remove the ramp from the EFX. Slide the ramp end cap into the ramp assembly. Fasten the ramp end cap with the screws removed in step 3. Set the ramp assembly at it’s mounting position. Hand start the rear mounting bolts and the two front bottom mounting bolts.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.13 - Replacing a Handlebar Procedure Set the on/off switch in the off position. Remove the bolt that fastens the lower end of the handlebar to the secondary link. Remove three bolts and washers that fasten the handlebar to the upper pivot.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.14 - Replacing Handlebar Linkage WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. Remove the plastic cap from the stairarm end of the handlebar linkage with a flat bladed screwdriver.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.15 - Replacing an Upper Pivot Arm WARNING Before continuing with this procedure, review the Warning and Caution statements listed in Section One, Things You Should Know. Remove the handlebar. Remove the bearing shaft from the upper end of the upper pivot arm. The bearing shaft will be very tight, a long handled socket wrench with a 7/16”...
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.16 - Replacing a Main Column Procedure Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA. Attach the anti-static wrist strap to your arm, then connect the ground lead of the wrist strap to the EFX frame.
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C554i Self Powered Elliptical Fitness Crosstrainer Unthread the right hand upper pivot from the main column with a 7/16” allen wrench. A 7/16” hex key bit that fits your torque wrench will be required in step 16. Rotate the handlebar with upper pivot forward until it rests on the floor.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.17 - Replace the Rear Cover The rear cover is a four piece cover; front, top, left and right sections. If the front cover section is being removed, the frame cover must also be removed (See Diagram 7.13).
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C554i Self Powered Elliptical Fitness Crosstrainer Diagram 7.14 - Top Cover Section (with right & left cover sections removed) Top Cover Section Mounting Screw Front Cover Frame Section Upright If all four cover sections have been removed, first replace the frame cover and front cover section, then the top cover section and then the left and right cover sections as described below.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.18 - Replacing a Load Resistor Warning When the EFX is operated the load resistors get very hot. Be sure to allow the load resistors enough time to cool before continuing with this procedure.
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C554i Self Powered Elliptical Fitness Crosstrainer frame upright with the screws removed in step 2. Route the load resistor wires into the slots at the top of the frame upright. This will keep the wires away from all moving parts, such as the stairarms.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.19 - Replacing a Generator WARNING When the unit is used, stairarms are in motion or the generator is rotated by any means, the generator will produce potentially hazardous voltages even when the battery is disconnected.
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C554i Self Powered Elliptical Fitness Crosstrainer Diagram 7.17 - Generator Bearing Clamp Bearing Clamp Bearing Clamp Mounting Screw 10. Replace and tighten the three generator mounting screws removed in step 9. Set the bearing clamp in its mounting position, replace and tighten the two bearing clamp mounting screws removed in step 9.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.20 - Replacing a Battery Remove the entire rear cover, including the front section of the cover. Disconnect the red battery lead from terminal M6 of the lower PCA and the black battery lead from M7 of the lower PCA of the lower PCA.
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C554i Self Powered Elliptical Fitness Crosstrainer Diagram 7.19 - Battery Bracket, Front Retaining Bracket Side Bracket Front Retaining Bracket Mounting Remove the nut fastens the front battery retaining bracket. Refer to Diagram 7.19. Carefully, slide the battery out of the battery bracket.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.21 - Replacing a Power Input Jack Assembly Remove the rear cover and disconnect the red battery lead from terminal M6 of the lower PCA. Disconnect the J4 connector from the lower PCA. See Diagram 7.20.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.22 - Replacing a Frame Tube Procedure Remove the two screws that fasten the cover near the middle of the main column. Remove the cover. Remove the four bolts and washers that fasten the lower end of the frame tube to the frame base.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.23 - Replacing a Ramp Support Warning: Care must be taken when work is being performed in the area of the stairarms. Pinch points exist between the stairarm and ramp and between the stairarm and crankarm, when the rear covers are removed.
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C554i Self Powered Elliptical Fitness Crosstrainer Remove two bolts, four washers and two nuts that fasten the ramp to the front ramp support. Remove the ramp from the EFX. Remove the two bolts at the lower end of the ramp support, remove the ramp support.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.24 - Replacing a Ramp Mounting Bracket Warning: Care must be taken when work is being performed in the area of the stairarms. Pinch points exist between the stairarm and ramp and between the stairarm and crankarm, when the rear covers are removed.
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C554i Self Powered Elliptical Fitness Crosstrainer Remove the ramp from the EFX. Remove the two bolts, wave washers and shims that fasten the ramp mounting bracket to the frame. Remove the ramp mounting bracket. Set the replacement ramp mounting bracket at its mounting position. Fasten the ramp mounting bracket with the hardware removed in step 8, slide the wave washer onto the bolt and then the shim.
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C554i Self Powered Elliptical Fitness Crosstrainer Procedure 7.25 - 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.