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Service Manual, 5.17i EFX.fm

1. off position Remove the lift position cable connector from the lower PCA Using an ohmmeter measure between terminal 1 brown wire and terminal 3 blue wire The measurement should be approximately 1KQ If any of the readings are open or significantly high check the lift motor cable and connectors Repair any wires or connections that are bad If the cable and connectors are good replace the lift motor Using an ohmmeter measure between terminals 1 and 2 of the lift position connector and measure between 2 and 3 of the lift position connector The two measurements should total approximately 1KQ If any of the readings are open or significantly high check the lift motor cable and connectors Repair any wires or connections that are bad If the cable and connectors are good replace the lift motor If you have performed all of the above tests and an error still occurs when the lift motor operates there are four parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are lower PCA upper interconnect cable lower interconnect cable and upper PCA Replace only one part ata time If the new part does not correct the problem replace the original part If you have performed all of the above tests and the lift system is still not functioning call Precor Technical Support Set the circuit breaker in the off position Remove the lift fuse 2 amp slow
2. Diagram 7 1 Top Cover Section with right amp left cover sections removed Top Cover Section Mounting Screw Front Cover Section Frame Upright Page 34 Diagram 7 2 Upper and Lower Front Cover Sections 10 11 5 17i Elliptical Fitness Crosstrainer g Upper F Front Cover Lower Front Cover If all of the cover sections have been removed first replace lower and upper front cover sections then the top cover section and then the left and right cover sections as described below Fasten the lower front cover section to the frame with two phillips head screws Fasten the upper front cover section to the frame with two phillips head screws Set the top cover section in its mounting position replace and tighten the two phillips screws that fasten the top cover section to the frame upright See Diagram 7 1 Replace and torque the three screws that fasten the top cover section to the rear cover support to 30 inch pounds Replace and torque the two screws that fasten the top cover section to the front cover section to 30 inch pounds Set the left cover section in its mounting position replace and torque the four screws that fasten the left cover section to the front cover section top cover section and rear cover support to 30 inch pounds Set the right cover section in it s mounting position replace and torque the four screws that fasten the right cover section to the front cover section top cove
3. Lower Ramp Mounting 3 Set the on off switch in the on position then plug the power cord into the wall outlet 4 Lower the ramp to incline level 1 and set the on off switch in the off position Remove the front cover per Procedure 7 1 5 Remove the two retaining clips from the lift pins While supporting the ramp remove the two lift pins and carefully lower the ramp assembly until it is resting on the rear portion of the front cover See Diagram 5 5 6 Remove the two bolts that fasten the lower rear portion of the ramp to the frame See Diagram 7 20 7 Carefully lift the ramp out of the EFX 8 Setthe replacement ramp in its mounting position Page 68 5 17i Elliptical Fitness Crosstrainer Hand start both lower mounting bolts remove in step 6 Torque both bolts to 35 foot pounds Raise the ramp and position it so that the ramp mounting holes align with the holes in the plastic lift nut If it is necessary to rotate the lift nut to align it with the ramp do not rotate it any more than is required for alignment Slide both lift pins through the ramp mounting holes and into the plastic lift nut Fasten both lift pins with the retaining cli ps removed in step 4 Rotate both stairarms forward and place them on the ramp tracks Replace the left and right rear covers per Procedure 7 1 Replace the front cover Page 69 5 17i Ellipitical Fitness Crosstrainer Procedure 7 19 Replacing a Handlebar 10 Set the
4. Remove the left and right cover sections per Procedure 7 1 Diagram 7 7 Power Entry Module he lt 5 R 5 A ES pes Fuse Access Door Blue Wire Brown Wire On Off iz Switch A C Input Green Wire 3 Remove the blue wire from terminal D the brown wire from terminal A and the green wire from the ground terminal of the power entry module 4 Remove the two screws that fasten the power entry module to the rear cover support Remove the power entry module from the rear cover support 5 Open the fuse compartment and remove both fuses See Procedure 7 22 Check both fuses with an ohmmeter They should read approximately 1Q or less Replace any fuse that reads significantly high 6 Install the tested fuses from step 5 in the replacement power entry module Page 45 10 11 5 17i Ellipitical Fitness Crosstrainer Set the replacement power entry module at its mounting position secure the power entry module with the screws removed in step 4 Replace the wires removed in step 3 Connect the blue wire to terminal D the brown wire to terminal A and the green wire to the ground terminal of the power entry module Replace the left and right cover sections per Procedure 7 1 Insert the A C line cord in the power entry module and the A C outlet Set the on off switch in the on position and test the EFX per Section Four Page 46 5 17i Elliptical Fitness Crosstrainer Procedure 7 6 Replacing a Crankarm
5. 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 Remove the printed circuit assembly per its associated procedure Currently we are using two styles of IC software packages they are a 28 pin dual in line package DIP28 and a forty four pin square package PLCC44 Each of these packages should be removed with a r IC removal tool see the illustrations below PLCC44 removal tool DIP28 removal tool The IC s may inserted into their socket by hand by carefully aligning the notch on the IC with the notch on the IC socket and carefully pressing the IC into its socket See the illustrations below for the alignment notches Care must be taken that the IC legs on a DIP28 are all aligned in the socket to prevent the legs from bending when inserted The PLCC44 IC must be carefully aligned squarely in its socket or it will not insert Do not force the IC into its socket If it does not insert easily remove the it and re align it in its socket wha ffa fal aha ea CSX V1 02 LWR B Q 32 00 SC PCA Page 78 Wiring Diagram 8 1 5 17i G GND Power Entry Module Speed me Sensor BK J5 2 5 8 J5 6 Lower PCA 45 3 Fuse F3 2 amp Fuse F2 2 amp E C Magnet 5 17i Elliptical Fitness Crosstrainer Keyboard J6 2 5 8 J6 1 4 7 J6 6 J6 3 Page 79 5 17i Ellipitical Fitn
6. able Mounting Bracket Screws Interconnect __ Page 38 10 Diagram 7 4 Lower PCA serial code AMPF 11 12 13 14 5 17i Elliptical Fitness Crosstrainer Carefully rotate the lower PCA mounting bracket away from the front cover section and disconnect the interconnect cable from the lower PCA Remove the lower PCA and mounting bracket from the unit Remove the four screws that fasten the lower PCA to the mounting bracket and remove the lower PCA from the mounting bracket Position the replacement lower PCA at its mounting position on the mounting bracket Fasten the lower PCA to the mounting bracket with the screws removed in step 7 Connect the interconnect cable to the lower and place the lower PCA and mounting bracket in its mounting position Fasten the mounting bracket to the frame with the screws removed in step 5 Connect the cables disconnected in Step 4 See Diagram 7 3 Data Cable F Connector Speed sensor Connector Lift Position AC Wiring Connector Lift Power Connector Remove the AC wiring interconnect cable speed sensor wiring and magnet cable from the lower PCA Remove the single mounting screw and spacer from the lower PCA The other three mounting points are plastic snap on standoffs Squeeze the tab on the standoff with a pair of pliers and lift the PCA to remove the PCA from the other three mounting points Press the replacement lower PCA onto th
7. position unplug the line cord from the wall outlet Remove the F3 system fuse from the lower PCA serial code SB only See Diagram 6 5 Remove the fuses from the power entry module See Procedure 7 29 Check all of the fuses with an ohmmeter They should read approximately 19 or less Replace any fuse that reads significantly high Replace the fuses in the power input module do not replace the F3 system fuse at this time serial code SB at this time With the line cord still unplugged from the wall outlet set the on off switch in the on position Check between the power terminals of the line cord with an ohmmeter The ohmmeter should read infinity serial code SB or 1 to 1 5 megohm serial code AMPF If the reading for serial code SB is good skip to step 11 if the reading is significantly low continue with the next step If the reading for serial code AMPF is good skip to step 13 if the reading is significantly low continue with the next step If the reading in step 6 is significantly low check the wiring between the lower PCA and the on off switch between the on off switch and the input module Replace any cut or nicked wiring Check the line cord for nicked or cut wiring Replace the line cord if necessary For serial code SB only replace the F3 2 amp fuse in the lower PCA if applicable perform the resistance measurement in step 6 The reading should be approximately 1 1 to 1 5 megohm If the reading in step 10
8. z ras tsi fF Gan ote t tt E S 8 SAE LL yp H SEITA SP gp ba G zn K eps T utr PERE ts AA Power Entry Module i 3 Using a thin bladed screwdriver carefully pry the fuse module out of the power entry module Fuse Access Door 4 The fuse module contains two fuses carefully remove one or both fuses out of the fuse module as required 5 Insert the replacement fuse s into the fuse module Use only 2 amp time delay fuses 6 Slide the fuse module back into the power entry module and close the fuse access door 7 Insert the A C line cord in the power entry module and the A C outlet Page 74 5 17i Elliptical Fitness Crosstrainer Power Entry Module Fuse Fuse Module 8 Set the on off switch in the on position and test the EFX per Section Four Page 75 5 17i Ellipitical Fitness Crosstrainer Procedure 7 23 Replacing a Lift Motor 1 Set the on off switch in the on position Lower the ramp to incline level 1 and set the on off switch in the off position Remove the front cover 2 Disconnect the lift connector from the intermediate lift cable See Diagram 7 25 3 Remove the two screws that fasten the keeper to the cover and remove the keeper 4 Remove the two retaining clips from the lift pins While supporting the ramp remove the two lift pins and carefully lower the ramp assembly until it is resting on the rear portion of the front cover
9. Arm Puller or 4 to 6 gear puller EQUIPMENT anti static wrist strap 20024 101 digital multimeter Supplies blue loctite cable ties Spares interconnect cables Page 4 5 17i Elliptical Fitness Crosstrainer Procedure 2 1 Accessing the Diagnostic Program The EFX 5 17i diagnostic software cycles through the following tests e Display Test e Keyboard Test e Heart Rate Test e Lift A D Test e Brake eddy current Test Procedure 1 Plug the power cord into the wall outlet then turn on the EFX 5 17i with the on off switch Note For the purpose of entering the key sequences to access the various diagnostic programs the keypad keys are hypothetically numbered from 1 to 7 from left to right 2 With the PRECOR banner displayed access the diagnostic program by pressing keys RESET 5 1 7 6 5 7 6 1 sequentially Diagram 2 1 5 17i Display PRECORS EFXS 17i stots CALOMILS STMoEs HEART RUT PER Rete ca piai Page 5 10 11 12 13 14 15 5 17i Ellipitical Fitness Crosstrainer Watch the display as the LED test progresses The test is programmed to display the following LED illumination sequence a The test name DISPLAY TEST will be scrolled b All of the L E D s on the display will be illuminated Press the RESET key to proceed to the keyboard test The test name KEYBOARD TEST will be scrolled A graphical representation of all the keys on the keyboard will be displ
10. Assembly 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 Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and or right cover section as described in Procedure 7 1 3 Remove the left and or right stairarm assembly as described in Procedure 7 17 Note Notice the position of the two crank arms When the crankarms are replaced they must be positioned so that they are 180 degrees opposing 4 Remove the bolt that secures the crankarm to the input pulley shaft It will be necessary use a Pitman arm puller or 4 to 6 gear puller to remove the crankarm Do not use a hammer or mallet to remove the crankarm 5 If you are removing both crank arm assemblies repeat Steps 3 and 4 for the second crankarm assembly Diagram 7 8 Crankarm Crankarm Bolt Pivot Block Crankarm Crankarm Page 47 10 11 5 17i Ellipitical Fitness Crosstrainer 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 Position the crank
11. Diagram 7 25 Lift Motor Mounting Keeper munet m Lift Nut TTT LALLANA LLAMA Lift Pin Lift Pin Retaining Clips Lift Connector Page 76 5 17i Elliptical Fitness Crosstrainer Remove the bolt that fastens the lower end of the lift motor to the frame Note the location of the mylar washers they must be replaced in the same locations to minimize lift motor operating noise Set the replacement lift motor in its mounting location and fasten it to the frame with the hardware removed in step 5 Replace the keeper with the screws removed in step 3 Calibrate the lift motor per Procedure 5 3 steps 4 7 The lift motor must be calibrated to ensure that it will track properly during normal use Raise the ramp and position it so that the ramp mounting holes align with the holes in the plastic lift nut If it is necessary to rotate the lift nut to align it with the ramp do not rotate it any more than is required for alignment Slide both lift pins through the ramp mounting holes and into the plastic lift nut Fasten both lift pins with the retaining cli ps removed in step 3 Set the on off switch in the on position Thoroughly test all lift related functions per Section Four Set the on off switch in the off position replace the front cover Page 77 5 17i Ellipitical Fitness Crosstrainer Procedure 7 24 Replacing the PROM Anti static kits part number 20024 101 can be ordered from Precor 1
12. If the display housing did not correct the problem re install the original display housing and replace the upper PCA If you have performed all of the procedures above and have been unable to correct the problem call Precor customer service Page 24 5 17i Elliptical Fitness Crosstrainer Procedure 6 3 Troubleshooting the Speed Sensor Circuit Description The speed sensor is a reed switch A magnet is mounted on the step up pulley The magnet passes the speed sensor once per revolution The output from the speed sensor is a 5 Vdc square wave the frequency of which indicates the operating speed When a square wave output is not being generated from the speed sensor the system assumes the unit is not in use WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know Procedure 1 Remove the right rear cover section per Procedure 7 1 Set the on off switch in the on position Operate the unit If the system timer has not started and a stride rate is not displayed the speed sensor is not operative We shall use the presence of a stride rate to determine when the speed sensor is functioning normally 2 A magnet must be installed in the step up pulley If the stride rate is not being displayed in step 1 verify that a magnet is installed in the step up pulley and that the space between the end of the reed switch and the step up pulley is approximately 1 8
13. are good and there is still no resistance there are two parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are lower PCA and upper PCA Replace only one part at a time If the new part does not correct the problem re install the original part 6 If you have performed all of the above tests and there is still no resistance call Precor Technical Support 7 Ifthe resistance is greater than normal the cause could be mechanical rather than electrical Set the on off switch in the off position and test the unit by checking all moving parts in the drive section and stairarms for worn parts that could be binding Replace the appropriate parts Page 27 10 11 12 13 14 5 17i Ellipitical Fitness Crosstrainer Set the on off switch in the on position enter the manual program and set the resistance at level 10 Using a DC voltmeter check the voltage across the magnet wires at the lower PCA The voltage should measure approximately 40 Vdc If the voltage is still significantly high or low there are two parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are lower PCA and upper PCA Replace only one part at a time If the new part does not correct the problem re install the original part Set the on off switch in the off position Using an ohmmeter m
14. loctite patch If the wheel axle screws have been inserted and removed more than two times red loctite should be used on the wheel axle screws when the are re installed Page 65 5 17i Ellipitical Fitness Crosstrainer Procedure 7 16 Replacing a Stairarm Pedal 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 1 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet 2 Loosen and remove the two bolts that fasten the stairarm pedal onto the stairarm 3 Remove the stairarm pedal from the stairarm 4 Setthe replacement stairarm pedal at its mounting position on the stairarm 5 Install and hand tighten the stairarm pedal mounting hardware removed in step 2 Torque the stairarm pedal mounting bolts to 11 foot pounds Diagram 7 19 Stairarm Pedal Stairarm Mounting Bolt Pedal Page 66 5 17i Elliptical Fitness Crosstrainer Procedure 7 17 Replacing a Stairarm Warning Care must be taken when work is being performed in the area of the stairarms Pinch 11 points exist between the stairarm and ramp and between the stairarm and crankarm when the rear covers are removed Procedure Set the on off switch in the off position then unplug the power cord from the wall outlet Loosen and remove the
15. on off switch in the off position then unplug the power cord from the wall outlet Remove the four screws that fasten the display front panel to the display housing Lift the display front panel off of the display housing and disconnect the interconnect cable from the upper PCA Remove the display front panel and set it aside Remove the four screws that fasten the display backplate to the frame Remove the display backplate and set it aside Remove the two upper display mounting bolts See Diagram 7 5 Remove the display mounting clamp from the upper portion of the handlebars Remove both screws from the lower end of the handlebar being replaced Slide the handlebar out of it s lower mounting in the frame tube Slide the replacement handlebar into its lower mounting in the frame tube Replace the display mounting clamp at the top end of the handlebars and hand start both mounting bolts removed in step 4 Torque both bolts to 300 inch pounds 25 foot pounds Replace and tighten both screws at the lower end of the handlebars remove in step 5 Feed the interconnect cable through the display backplate and fasten the display backplate with the four screws removed in step 3 Connect the interconnect cable to the upper PCA and set the display front panel in its mounting position Fasten the display front panel with the four screws removed in step 2 Page 70 5 17i Elliptical Fitness Crosstrainer Procedure 7 20 Replacing a Input B
16. operation of the unit as described in Section Four 6 Setthe on off switch in the on position Thoroughly test all lift related functions per Section Four Set the on off switch in the off position replace the front cover per Procedure 7 1 Page 14 5 17i Elliptical Fitness Crosstrainer Procedure 5 2 Inspecting and Adjusting Belt Alignment and Tension Procedure 1 Set the on off switch in the off position remove the A C line cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the rear cover as described in Procedure 7 1 3 Remove both stairarms as described in Procedure 7 17 4 Operate the unit by rapidly rotating a crankarm by hand As the unit operates watch the drive belts for proper alignment The belts should operate parallel to each other and the belts should maintain even spacing 5 If the belts are not correctly aligned THEN OTHERWISE Continue with the next step Skip to step 13 6 Refer to Diagram 5 3 for the following belt alignment steps The right and left step up belt tension bolts have locking tabs If necessary use pliers to bend the locking tabs out of the way so that the bolts can be turned 7 Ifthe step up pulley belt is out of alignment to the right continue with step 9 8 Ifthe step up pulley belt is out of alignment to the left continue with st
17. the hardware that secures the speed sensor assembly to the drive unit remove the speed sensor See Diagram 7 14 5 For serial code AMPF unsnap the speed sensor from the speed sensor clip and remove the speed sensor See Diagram 6 4 Diagram 7 14 Speed Sensor serial code SB Step Up Pulley Magnet Speed Sensor 6 For serial code SB position the speed sensor at its mounting position and set the gap between the end of the speed sensor and the step up pulley at approximately 1 8 inch Replace the hardware that secures the speed sensor to the drive unit Torque the speed sensor screws to 27 in Ibs 7 For serial code AMPF snap the replacement speed sensor into the speed sensor clip See Diagram 6 4 Page 59 5 17i Ellipitical Fitness Crosstrainer 8 Reconnect the speed sensor cable to the lower PCA 9 Re install the left and right cover sections as described in Procedure 7 1 then check the operation of the EFX as described in Section Four Page 60 5 17i Elliptical Fitness Crosstrainer Procedure 7 13 Replacing an Eddy Current Magnet Assembly Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right cover sections as described in Procedure 7 1 3 For serial code AMPF skip to step 10 For ser
18. the lower mounting bolts and out of the display mounting to expose the intermediate interconnect cable and lower interconnect cables Thread the nuts back onto the lower frame tube bolts to ensure that the bolts stay in place in the frame base Page 41 5 17i Ellipitical Fitness Crosstrainer Diagram 7 5 Display Mounting Intermediate Display Mounting Cable Loosen do not remove Remove Diagram 7 6 Interconnect Cables Frame Base Left Frame Lower Tube Cable Intermediate Mid Point Connector Cable 10 Disconnect the intermediate interconnect cable from the mid point connectors at the display mounting and the lower end of the left frame tube 11 Securely tape one end of the replacement upper interconnect cable to the upper end of the existing upper interconnect cable Carefully draw the existing upper interconnect cable out of the bottom of the left frame tube as you carefully feed the replacement cable into the top of the left frame tube Page 42 20 21 22 23 24 5 17i Elliptical Fitness Crosstrainer When the replacement interconnect cable emerges from the bottom of the left frame tube separate the interconnect cables and discard the defective interconnect cable Connect the replacement interconnect cable to the mid point connector at the lower end of the left frame tube Feed the mid point connector into the left frame tube Remove the four nuts from the frame base tempor
19. with the circuit breaker then unplug the power cord from the wall outlet Page 12 5 17i Elliptical Fitness Crosstrainer Procedure 5 1 Measuring the Resistance of an Eddy Current Magnet Caution Remove power from the EFX before you measure magnet resistance Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 1 Remove the rear cover as described in Procedure 7 1 2 Set the ohmmeter to a range that will conveniently read up to 125 Q 3 Disconnect the magnet wires from the magnet using the quick disconnects shown in the Diagram 5 1 or Diagram 5 2 below Measure the resistance between the two magnet wires Diagram 5 1 Eddy Current Magnet serial code SB 14 F Magnet Wires Eddy Current Magnet Note The resistance of the magnets will be higher than optimum 90 110 Q when they are warm Page 13 5 17i Ellipitical Fitness Crosstrainer Diagram 5 2 Eddy Current Magnet serial code AMPF Eddy Current Magnet 4 If the resistance measures significantly less than 90 Q or significantly more than 110 Q THEN OTHERWISE Replace the magnet as described Reconnect the magnet wires then in Procedure 7 13 continue with the next step 5 Re install the rear cover as described in Procedure 7 1 then check the
20. 5 17i Elliptical Fitness Crosstrainer 5 17i 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 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 2004 Precor Incorporated Unauthorized Reproduction and Distribution Prohibited By Law Page 1 5 17i Ellipitical 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 5 17i facing the display enclosure Warning and Caution Statements and General Safety Guidelines Warning statements indicate a particularly dangerous activity Warning statements you w
21. Precor customer support TPS gt Es TP26 DGND 5 a ne MENGA i 8V D6 B UP n D5 UP Data Cable DN Connector F2 Lift Fuse F3 System Fuse Page 30 5 17i Elliptical Fitness Crosstrainer Diagram 6 6 Lower PCA Serial code AMPF Data Cable Connector Speed sensor Magnet Cable Connector F1 Lift Fuse Lift Position AC Wiring Connector Lift Power Connector Page 31 5 17i Ellipitical Fitness Crosstrainer Procedure 6 6 Troubleshooting the Lift System Note The lift motor is disabled when the EFX is not being used The speed sensor must detect motion in order for lift operation to be enabled In the following procedures when lift motor movement is being tested the stairarms must be in motion Before performing this procedure ensure that the speed sensor is operating normally per Procedure 6 3 1 If the lift motor will not move skip to step 7 If the lift motor moves and an error occurs continue with step 2 Access the diagnostics program per Procedure 2 1 and proceed to the lift calibration portion of the diagnostics program If the lift calibration number is 0 or 255 skip to step 3 Operate the lift if the lift calibration number does not increment as the lift moves skip to step 3 If the calibration number increments as the lift moves re calibrate the lift per Procedure 5 2 If re calibration does not correct the problem continue with step 3 Set the on off switch in the
22. X 5 17i e When operating the EFX 5 17i do not wear loose clothing Do not wear shoes with heels or leather soles Check the soles of your shoes and remove any embedded stones Tie long hair back Do not rock the unit Do not stand or climb on the handlebars display enclosure or cover Page 2 5 17i Elliptical Fitness Crosstrainer Do not set anything on the handlebars display enclosure or cover Never place liquids on any part of the EFX 5 17i other than a water bottle in the water bottle holder during normal operation To prevent electrical shock keep all electrical components such as the power cord and circuit breaker away from water and other liquids 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 Page 3 Required Tools and Equipment 5 17i Ellipitical Fitness Crosstrainer The following list is a summary of the tools and equipment required when you service Precor s EFX 5 17i TOOLS phillips and flat head screwdrivers standard and metric allen wrench sets open end wrench set drive ratchet and ratchet set socket drive allen set chip puller rubber mallet snap ring pliers 100 ft lb torque wrench 300 in lb torque wrench belt gauge part 20030 117 Pitman
23. arily installed in step 6 Carefully feed all excess interconnect cable into the hole in the frame base as you slide the left frame tube onto the frame base mounting bolts and into the display mounting Hand start the four nuts onto the left frame tube to frame base mounting bolts Replace the lower left hand display mounting bolt Torque both of the lower display mounting bolts to 300 inch pounds 25 foot pounds Replace the upper display mounting bolt and securely tighten both upper display mounting bolts Torque the four left frame tube to frame base mounting bolts to 300 inch pounds 25 foot pounds Feed the intermediate interconnect cable through the display backplate and fasten the display backplate with the four screws removed in step 3 Connect the intermediate interconnect cable to the mid point connector on the upper interconnect cable and set the display front panel in its mounting position Fasten the display front panel with the four screws removed in step 2 Thoroughly test the unit per Section 4 Remove the left and right rear cover sections For serial code SB remove the two screws that fasten the lower PCA mounting bracket to the frame See Diagram 7 3 Rotate the lower PCA mounting bracket to expose the interconnect cable Disconnect the interconnect cable from the lower PCA Remove the left frame tube as described in steps 6 9 above Note the way the lower interconnect cable is looped through the ferrite c
24. arm on the input pulley shaft Thread and hand tighten the crankarm mounting bolt into the input pulley shaft Torque the bolt to 300 inch pounds Replace the stairarm assembly as described in Procedure 7 17 If you are replacing both crankarm assemblies repeat steps 8 and 9 for the second crankarm assembly Set the unit at it s highest resistance setting and use the EFX for a minimum of 3 minutes Stride in a forward direction for half of the time and in a backward direction for half of the time Set the on off switch in the off position and re torque both of the 14 mm crankarm mounting bolts to 300in Ibs Replace the left and or right rear cover per Procedure 7 1 Page 48 5 17i Elliptical Fitness Crosstrainer Procedure 7 7 Replacing a Pillow Block Bearing 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 Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove both stairarm assemblies per Procedure 7 17 4 Remove the crankarm from the same side as the pillow block bearing that you are replacing 5 Remove the eddy current magnet per Procedure 7 13 6 Remove tension from the input pulley and step up pulley belts as de
25. arm s per Procedure 7 6 14 Replace the eddy current magnet per Procedure 7 13 15 Replace the stairarms per Procedure 7 17 Replace the front top left and right cover sections per Procedure 7 1 Page 51 5 17i Ellipitical Fitness Crosstrainer Procedure 7 8 Replacing an Input Drive Assembly 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 Procedure Note The input drive assembly consists of the input pulley assembly and eddy current disk assembly 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the eddy current magnet per Procedure 7 13 6 Remove tension from the drive belts and remove the pillow block bearings per Procedure 7 7 steps 6 to 8 7 Slide the step up and input belts off of the input drive assembly and remove the input drive assembly from the EFX See Diagrams 7 12 and 7 13 Diagram 7 11 Eddy Current Disk Pillow Block Bearing E
26. ayed When a key is pressed the representation of the key will become a single dot Check all of the keys on the keyboard in this manner Press and hold the RESET key for a minimum of 2 seconds to proceed to the heart rate test The test name HEART RATE TEST will be scrolled If the optional heart rate receiver is not installed the message NO HEART RATE RECEIVER will be scrolled Skip to step 11 A chest strap heart rate transmitter or a heart rate test transmitter must be used in conjunction with this test When a heart rate signal is received the Polar heart rate will be displayed as P XXX and the SCAN L E D will flash in time with the heart rate Press the SELECT key the unfiltered heart rate will be displayed as U XXX Press the SELECT key the filtered hear rate will be displayed as F XXX Press the RESET key to proceed to the lift test The test name LIFT A D TEST will be scrolled The lift calibration number will be displayed on the right The lift calibration number indicates the physical position of the incline and is used to calibrate the lift motor Press the SELECT key RAMP will scroll followed by the ramp position Press the SELECT key SEC TO CHG will scroll followed by the transition time Press the SELECT key GLITCHES will scroll followed by the glitch count Press the RESET key to proceed to the brake test The test name BRAKE will be scrolled Page 6 5 17i Elliptical Fitnes
27. blow fuse from the lower PCA Measure the fuse with an ohmmeter The measurement should be 19 or less If the fuse is good re insert the fuse and skip to step 9 If the fuse is open co or significantly high replace the fuse Before operating the lift motor it is necessary to perform a continuity test on the lift motor Page 32 5 17i Elliptical Fitness Crosstrainer Remove the lift power connector from the lower board Using an ohmmeter measure between terminals 1 and 2 white and red between terminals 1 and 3 black and white and between terminals 2 and 3 red and black The measurements should be approximately 14 70 14 30 and 29Q respectively If any of the measurements are significantly low replace the lift motor If any of the readings are open or significantly high check the lift motor cable and connectors Repair any wires or connections that are bad If the cable and connectors are good replace the lift motor Re insert the lift power connector in the lower PCA Set the on off switch in the on position Using an AC voltmeter monitor the voltage between terminals 1 and 2 white and red wires of the lift power connector Enter the manual program and press the CROSSRAMP a key The measurement should be approximately 120 Vac line voltage If the voltage is present and the lift motor moves normally skip to step 10 The voltage will only be present until such time as an error occurs If line voltage is not present skip t
28. cribed in Procedure 7 1 then check the operation of the EFX as described in Section Four Page 62 5 17i Elliptical Fitness Crosstrainer Procedure 7 14 Replacing a Stairarm Pivot Block 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 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and or right cover sections as described in Procedure 7 1 3 Remove the mounting bolt and nut that and felt pad that fastens the stairarm pivot block to the stairarm See Diagram 7 17 4 Slide the stairarm off of the stairarm pivot block 5 Remove the stairarm pivot block retaining ring from the crankarm pin Slide the stairarm pivot block off of the crankarm pin If the stairarm pivot block is being replaced because of excessive wear check the condition of the crankarm pin it may be necessary to replace the crankarm Diagram 7 17 Stairarm Mounting Mounting Bolt _ TAn Retaining Ring Pivot Block Felt Pad Crankarm Page 63 5 17i Ellipitical Fitness Crosstrainer Slide the stairarm pivot block onto the crankarm pin and replace the retain
29. d 7 11 8 Remove the four bolts that retain rear cover support and power entry module Swing the rear cover support away from the drive unit 9 Remove the left and right tension bolts locking tabs and brackets Slide the step up pulley assembly with both the step up and input belts out of the drive unit 10 Remove the input pulley belt and place the replacement input pulley belt in it s place on the step up pulley assembly 11 Set the step up pulley assembly with the step up and input belt at its mounting position in the drive unit Replace the tensioning bolts locking tabs and brackets removed in step 8 Thread the left and right tension bolts into the step up pulley shaft See Diagram 7 12 and 7 13 Page 54 5 17i Elliptical Fitness Crosstrainer Diagram 7 12 Input Pulley Belt Las Input Pulley Belt Input Pulley 12 Slide the step up and input belts onto the input drive assembly as you set the input drive assembly in its mounting position in the drive unit 13 Slide the pillow block bearings onto the input pulley shaft 14 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 16 Page 55 5 17i Ellipitical Fitness Crosstrainer Procedure 7 10 Replacing a Step Up Pulley Belt 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 remo
30. ddy Current Disk Crankarm Page 52 10 5 17i Elliptical Fitness Crosstrainer Slide the step up and input belts onto the input drive assembly as you set the input drive assembly in it s mounting position in the EFX Replace the magnet assembly per Procedure 7 13 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 16 Page 53 5 17i Ellipitical Fitness Crosstrainer Procedure 7 9 Replacing an Input Pulley Belt 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 1 Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the magnet assembly as described in Procedure 7 13 6 Remove tension from the drive belts and remove the pillow block bearings per Procedure 7 7 steps 6 to 8 7 Slide the step up and input belts off of the input drive assembly and remove the input drive assembly from the unit See Diagrams 7 10 an
31. does not correct the problem visually inspect the interconnect cable connectors on both the upper and lower PCA s Check for damaged connector contacts Page 21 5 17i Ellipitical Fitness Crosstrainer Diagram 6 1 PCA Interconnect Cable Connector Contacts 11 If the connector contacts are damaged the PCA must be replaced Replace the lower PCA per Procedure 7 3 or the upper PCA per Procedure 7 2 as required 12 If you have performed all of the procedures above and have been unable to correct the problem call Precor customer service Page 22 5 17i 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 It is necessary to use the keypad diagnostics to troubleshoot the key functions Procedure 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One 2 Ifthe EFX powers up and functions normally until a particular key s is pressed skip to step 11 3 Ifa error 5 key depressed message is immediately displayed when the EFX is powered up continue with the next step 4 This condition may be caused by either the keypad or upper PCA Set the on off switch in the off position 5 Remove the four screws that fastens the display housing front pane
32. e three plastic standoffs Place the spacer under the forth mounting hole and fasten with the screw removed in step 12 Replace the wiring removed in step 11 as shown in Diagram 7 4 Page 39 15 16 5 17i Ellipitical Fitness Crosstrainer Remove the ground lead of the wrist strap from the EFX frame then remove the wrist strap from your arm Re install the left and right rear cover sections per Procedure 7 1 Check the operation of the EFX 5 17i as described in Section Four Page 40 5 17i Elliptical Fitness Crosstrainer Procedure 7 4 Replacing an Interconnect Cable Procedure Note Before you install a new interconnect cable ensure that the interconnect cable is defective Refer to Procedure 6 1 1 2 Set the on off switch in the off position There are three interconnect cables in the 5 17i The upper intermediate and lower interconnect cables The upper interconnect cable is inside of the display housing The intermediate interconnect cable is routed from the display housing to the lower end of the left frame tube The lower interconnect cable is routed from the lower end of the left frame tube to the lower PCA If you are replacing the upper interconnect cable continue with step 4 If you are replacing the intermediate interconnect cable skip to step 6 If you are replacing the lower interconnect cable skip to step 20 Remove the four screws that fasten the display front panel to the display housing Lift
33. easure between the magnet wires at the lower PCA The measurement should be approximately 90Q to 110 If the measurement is significantly low check the connections at both magnets and the lower PCA With an ohmmeter measure between each magnet wire and frame ground A normal reading for both measurements is open If the resistance is significantly low disconnect the J2 connector from the lower PCA and the eddy current magnet For serial code SB repeat the measurements in step 11 if either measurement is significantly low replace the lower PCA to eddy current magnet wiring If both measurements are open co continue with step 13 Measure from both eddy current magnet wires to frame ground A normal reading for both measurements is open co If the either resistance measurement is significantly low replace the eddy current magnet If you have performed all of the above tests and the resistances are still incorrect call Precor Technical Support Page 28 5 17i Elliptical Fitness Crosstrainer Procedure 6 5 Upper Display does not Illuminate Note Serial code SB is equipped with two fuses in the A C power module and two fuses on the lower PCA Serial code AMPF is equipped with two fuses in the A C power module and one fuse on the lower PCA Serial code SB has two LED s one green and one red on the lower PCA Serial code AMPF has one green LED on the lower PCA 1 2 10 Set the on off switch in the off
34. elt Tensioner 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 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right cover sections as described in Procedure 7 1 3 Remove the input belt tension mounting bolt and slide the input belt tensioner out of the frame Diagram 7 21 Input Belt Tensioner Input Belt__ Tensioner Eg 4 Loosely mount the new input belt tensioner in its mounting position using the bolt removed in step 3 5 Using your finger press in on the center of the step up pulley belt to get a feeling of how much pressure it takes to deflect the belt a 1 4 Page 71 5 17i Ellipitical Fitness Crosstrainer Procedure 7 21 Replacing a Rear Cover Support Procedure 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2 Remove the top left and right cover sections per Procedure 7 1 Diagram 7 22 Rear Cover Support gt Mounting Screw Rear Cover Support 3 Remove the blue wire from terminal D the brown wire from terminal A and the green wi
35. en continuity very low resistance and infinity open circuit If the resistance measurement does not alternate between continuity and infinity repeat steps 2 through 4 If the resistance does alternate between continuity and infinity continue with step 6 6 Ifyou have performed all of the above tests and the stride rate is not displayed when the unit is operated there are three parts that could cause the problem There are not any good tests to check these parts other than substituting a known good part They are lower PCA interconnect cable and upper PCA Replace only one part at a time If the new part does not correct the problem replace the original part 7 If you have performed all of the above tests and the speed sensor is still not functioning call Precor Technical Support Check the operation of the EFX as described in Section Four Page 26 5 17i Elliptical Fitness Crosstrainer Procedure 6 4 Troubleshooting the Eddy Current System Note If the control circuit does not see an output from the speed sensor it removes power from the eddy current system Therefore when it is necessary to check the resistance or take voltage measurements in the eddy current system it will be necessary to slowly turn the flywheels to ensure that the power time out has not occurred WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 1 Remove the rear co
36. ension It will be necessary to use the correctly tensioned step up belt as a comparison to set the input belt tension Using your finger press in on the center of the step up pulley belt to get a feeling of how much pressure it takes to deflect the belt a 1 4 Page 17 21 22 23 24 5 17i Ellipitical Fitness Crosstrainer Using your finger press in on the center of the lower span of the input belt Compare the pressure required to deflect the input belt to the pressure required to deflect the step up belt Loosen the input belt tensioner axle bolt slightly Slide a stout screwdriver blade into the adjustment slot See Diagram 5 3 to the left of the pulley Using the screwdriver as a lever press the pulley to the right While maintaining constant pressure on pulley check the belt tension with your finger When the belt tension feels correct tighten and torque the input belt tension bolt to 200 inch pounds Replace the stairarms per Procedure 7 17 Check the operation of the unit as described in Section Four then re install the rear cover as described in Procedure 7 1 Page 18 5 17i Elliptical Fitness Crosstrainer Procedure 5 3 Calibrating the Lift Motor 1 In order to calibrate the lift motor it is necessary to disconnect the lift motor from the ramp assembly 2 Set the on off switch in the on position Lower the ramp to incline level 1 and set the on off switch in the off position Remove the
37. ep 11 9 Turn the left step up belt tension bolt 1 4 turn clockwise then repeat step 4 If turning the left adjustment bolt 1 4 of a turn was not sufficient turn the right step up belt tension bolt 1 4 of a turn counterclockwise 10 Repeat step 8 alternating between the left and right step up belt tension bolts until the alignment is correct Continue with step 13 11 Turn the right step up belt tension bolt 1 4 of a turn clockwise then repeat step 4 If turning the right step up belt tension bolt 1 4 of a turn was not sufficient turn the left step up belt tension bolt 1 4 turn counterclockwise 12 Repeat step 11 alternating between the right and left step up belt tension bolts until the alignment is correct Page 15 5 17i Ellipitical Fitness Crosstrainer 13 Belt tension must now be checked and if necessary corrected Remember if it is necessary to change belt tension the belt alignment must be maintained Diagram 5 3 Drive Unit input ll AE Belt Adjustment Slot Step Up Belt Input Belt Tension Bolt Input Belt _ 2 Tensioner Egi Step Up Belt Tension Bolt 14 Place a belt gauge Precor part 20030 117 or equivalent in the middle of the step up belt at the center of the belt span see Diagram 5 4 Lay a straight edge along the length of the belt and beside the belt gauge Slide one of the o rings up against the shoulder of the belt gauge Press downward on the belt gauge causin
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39. essary to rotate the lift nut to align it with the ramp do not rotate it any more than is required for alignment Slide both lift pins through the ramp mounting holes and into the plastic lift nut Fasten both lift pins with the retaining cli ps removed in step 3 Set the on off switch in the on position Thoroughly test all lift related functions per Section Four Set the on off switch in the off position replace the front cover per Procedure 7 1 Page 20 5 17i 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 1 Set the on off switch in the off position 2 Ifyou are troubleshooting an error 30 31 or 32 continue with step 3 otherwise see Procedure 6 5 3 There are three interconnect cables and two mid point connectors between the upper and lower PCA Any one of the above cables or mid point connectors could cause the error 30 31 or 32 The cables are routed as follows from the lower PCA to the lower end of the left frame tube See Diagram 7 6 from the lower end of the left frame tube the display mounting See Diagram 7 5 and from the display mounting to the upper PCA 4 Remove the right rear cover and the front portion o
40. f the rear cover Disconnect the interconnect cable from the lower PCA Unbolt the upper and lower ends of the left frame tube and slide it away from the main frame only far enough to expose the cable and mid point connector at the lower end 5 Bypass the cable between the lower PCA and the lower end of the frame tube with a known good cable Set the on off switch in the on position and test for the error 30 31 or 32 condition 6 Set the on off switch in the off position If the error 30 31 or 32 is still present replace the mid point connector and retest for the error 30 31 or 32 condition If the mid point connector does not correct the error condition set the on off switch in the off position and continue with step 7 7 Bypass the cable inside of the frame tube with a known good cable Set the on off switch in the on position and test for the error 30 31 or 32 condition 8 Set the on off switch in the off position If the error 30 31 or 32 is still present replace the mid point connector at the display mounting and retest for the error 30 31 or 32 condition If the mid point connector does not correct the error condition set the on off switch in the off position and continue with step 9 9 Bypass the cable between the display mounting and the upper PCA with a known good cable Set the on off switch in the on position and test for the error 30 31 or 32 condition 10 If bypassing the interconnect cables and mid point connectors
41. front cover 3 Remove the two retaining clips from the lift pins While supporting the ramp remove the two lift pins and carefully lower the ramp assembly until it is resting on the rear portion of the front cover See Diagram 5 5 Diagram 5 5 Lift Motor Calibration mune m P a a Lift Nut ba ALOALLIIALLL LLLA ALAI EFRON RETESET Lift Pin Retaining Clips Page 19 10 5 17i Ellipitical Fitness Crosstrainer Set the on off switch in the on position Enter the diagnostics routine per Procedure 2 1 and proceed to the LIFT A D TEST portion of the procedure Operate the CROSSRAMP a or CROSSRAMP v keys as required to set the lift calibration A D number to 129 Rotate the plastic lift nut on the lift motor drive screw until the distance from the upper surface of the plastic lift nut to the end of the drive shaft is 6 5 8 If the lift motor drive screw is allowed to rotate the lift calibration number will no longer be 129 The lift calibration number must be 129 and the distance measurement must be correct for the lift calibration to be correct See Diagram 5 5 Set the on off switch in the off position Do not exit the diagnostic program in the normal manner Exiting the diagnostic program will cause the lift to self center and invalidate the lift calibration just performed Raise the ramp and position it so that the ramp mounting holes align with the holes in the plastic lift nut If it is nec
42. g the belt to deflect Read the deflection on the belt gauge at the edge of the straight edge Deflect the belt 1 4 Read the tension across the top edge of the o ring If the belt is correctly tensioned the gauge will read between 14 and 16 pounds 15 If the tension in step 14 is correct skip to step 18 Otherwise continue with the next step Page 16 5 17i Elliptical Fitness Crosstrainer Diagram 5 4 Measuring Belt Tension 17 18 19 20 If the locking tabs on the right and left step up belt tension bolts have not been straightened use pliers to bend the locking tabs out of the way so that the bolts can be turned IF THEN The belt tensioning gauge reads Turn both tension bolts less than 14 pounds clockwise in equal quarter turn increments until the belt tensioning gauge reads 14 16 pounds 1 4 deflection The belt tensioning gauge reads Turn both tension bolts more than 16 pounds counterclockwise in equal quarter turn increments until the belt tensioning gauge reads 14 16 pounds 1 4 deflection Verify that the belt alignment is still correct by performing the procedure in step 4 When both the step pulley belt tension and alignment are correct use pliers to bend the tension bolt locking tabs into the locking position The input pulley tension must now be checked and corrected if necessary There is not sufficient room to use the belt tension gauge to set the input pulley belt t
43. h as how far into the program the problem occurred the work level being used when the problem occurred etc The frequency of occurrence Page 10 5 17i Elliptical Fitness Crosstrainer Section Three Preventive Maintenance Preventive maintenance measures are either scheduled or unscheduled Scheduled preventive maintenance activities are included here so that you are aware of the preventive measures to be performed on a regular basis Regular Preventive Maintenance Owner Cleanliness of the EFX 5 17i and its operating environment will keep maintenance problems and service calls to a minimum Precor recommends that you perform the following preventive maintenance schedule At the End of Each Day Wipe down the stairarms ramps wheels and frame with a damp cloth Every Week Wipe the surface of the electronic console with a slightly damp sponge or soft cloth Dry with a clean towel CAUTION Keep water away from electronic components to prevent shock On Site Preventive Maintenance Service Technician Perform the following preventive maintenance tasks each time you are called to service a EFX 5 17i Examine the belts for wear cracks or other signs of deterioration and replace if necessary Check the LED s mounted on the upper PCA and the function keys displayed on the electronic console by performing Procedure 2 1 Visually examine all wires and check connectors and wire connections Secure connections and replace w
44. ial code SB continue with step 4 4 Disconnect the magnet cable from the magnet assembly See Diagram 7 15 5 Remove the bolts that secure the magnet assembly to the drive unit Remove the magnet from the drive unit Diagram 7 15 Eddy Current Magnet Serial code SB f Magnet Cable 39314 101 2149 fe 010A cers Mounting Bolts Eddy Current Magnet Page 61 10 11 Diagram 7 16 Eddy Cur 12 13 14 5 17i Ellipitical Fitness Crosstrainer Position the magnet assembly at its mounting position so that the eddy current disk is centered between the magnet poles Replace and hand tighten the magnet assembly mounting bolts Torque the magnet assembly mounting bolts to 43 in Ibs Reconnect the magnet cable to the magnet assembly Re install the left and right cover sections as described in Procedure 7 1 then check the operation of the EFX as described in Section Four Disconnect the magnet cable from the lower PCA See Diagram 6 6 Remove the bolts that fasten the eddy current magnet to its frame mounting See Diagram 7 16 rent Magnet se A rial code AMPF T Eddy Current Magnet Mounting Bolt Set the replacement eddy current magnet in its mounting position and fasten it with the hardware removed in step 11 Torque the eddy current mounting bolts to 47 inch pounds Connect the magnet cable to the lower PCA Re install the left and right cover sections as des
45. ill find in this manual include To remove power from the EFX 5 17i the power cord must be disconnected from the wall outlet Always ensure that the EFX 5 17i is unplugged from the wall outlet when you inspect or adjust the EFX 5 17i or when you isolate remove or replace a EFX 5 171 component Removing the covers exposes high voltage components and potentially dangerous machinery Exercise extreme caution when you perform maintenance procedures with the hood removed e During service operations you will be very close to moving machinery and high voltage components When you perform maintenance procedures with the covers removed remove jewelry especially from ears and neck tie up long hair remove neck ties and do not wear loose clothing e Exercise caution when touching any wire or electrical component during EFX 5 171 operation Caution statements are intended to prevent damage to the EFX 5 17i as a result of the current activity Caution statements included in this manual are listed below e Notice the orientation notch on the PROM These components must be positioned with the same notch orientation Safety guidelines you should know and follow include e Read the owner s manual and follow all operating instructions e Visually check the EFX 5 17i before beginning service or maintenance operations If it is not completely assembled or is damaged in any way exercise extreme caution while operating and checking the EF
46. ill scroll Press the SELECT key The upper software version LOWER SW VER X XX will scroll Press the SELECT key The upper boot software part number UPPER BOOT XXXXX XXX will scroll Press the RESET key to proceed to the error log display The first error log entry will 1 ER XX AT XX STRIDES XX HOURS will scroll If the error code log is empty the message NO ERRORS will scroll Pressing the a w keys will move you through the log entries Entry 1 will be the most recent error log entry with each succeeding entry being older than the preceding entry Pressing and holding the QUICK START key for will clear all existing entries from the error log The display will confirm that the error log has been cleared by displaying OK The display will scroll the message NO ERRORS If the QUICK START key is not held until OK is scrolled the error log will not be cleared Press the SELECT or RESET key to exit the information display program Page 8 5 17i Elliptical Fitness Crosstrainer Procedure 2 3 Accessing the Set User Parameters Display Selecting United States standard units causes information to be displayed in miles Information is displayed in kilometers if metric units are selected After you select a measurement standard the software accumulates and records workout information in the units of the measurement standard selected Procedure 1 Plug the power cord into the wall outlet then turn on the EFX 5 17i with
47. inch See Diagram 6 3 for serial code SB or Diagram 6 4 for serial code AMPF Diagram 6 3 Speed Sensor serial code SB Step Up Pulley Magnet Reed Switch Page 25 5 17i Ellipitical Fitness Crosstrainer Diagram 6 4 Speed Sensor serial code AMPF Step Up Pulley Magnet Speed Sensor 3 Rotate the step up pulley so that the speed sensor magnet is not near the reed switch Using a DC voltmeter measure the voltage between terminal 1 and terminal 5 of J8 on the lower PCA The measurement should be approximately 5 Vdc If the measurement is correct skip to step 4 If the voltage is missing or significantly low disconnect the speed sensor and repeat the voltage measurement on the J8 connector If the measurement is now correct 5 Vdc replace the speed sensor If the voltage is still missing or significantly low replace the lower PCA Skip to step 5 4 Rotate the step up pulley so that the speed sensor magnet is next to the reed switch Using a DC voltmeter measure the voltage between terminal 1 and terminal 5 of J8 on the lower PCA The measurement should be approximately 0 Vdc If the voltage is 5 Vdc or significantly high replace the speed sensor per Procedure 7 12 Skip to step 8 5 With the an ohmmeter connected to terminals 1 and 5 of J8 on the lower PCA rock the step up disk forward and backward so that the magnet is passing in front of and away from the reed switch The ohmmeter should alternate betwe
48. ing ring removed in step 5 Slide the stairarm onto the stairarm pivot block Install the felt pad and hand tighten the stairarm pivot block mounting hardware Torque the stairarm pivot block mounting bolt to 15 foot pounds Replace the left and or right cover sections per Procedure 7 1 Page 64 5 17i Elliptical Fitness Crosstrainer Procedure 7 15 Replacing a Wheel Assembly 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 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the screws from the wheel axle If when removing the second wheel axle screw the axle rotates and the screw does not unthread insert a 5 32 allen wrench into the end of the axle from which the screw has been removed The allen wrench will hold the axle while you remove the remaining screw Remove the wheel assembly from the stairarm Diagram 7 18 Wheel Assembly Wheel 2 Stairarm Axle Screw 3 Set the replacement wheel in the stairarm and insert and hand tighten the wheel axle screws Torque the wheel axle screws to 80 inch pounds Note The wheel axle screws are equipped with a
49. ion bolts locking tabs and brackets 9 Carefully lay the EFX on it s side Remove the four bolts that retain rear cover support and power entry module Swing the rear cover support away from the drive unit 10 Slide the step up pulley assembly with both the step up and input belts out of the drive unit 11 Place the step up and input belts on the replacement step up pulley assembly 12 Set the replacement step up pulley assembly with the step up and input belt at it s mounting position in the unit Replace the tensioning bolts locking tabs and brackets removed in step 8 Thread the left and right tension bolts into the step up pulley shaft 13 Slide the step up and input belts onto the input drive assembly as you set the input drive assembly in its mounting position in the unit 14 Slide the pillow block bearings onto the input pulley shaft 15 Complete the installation alignment and tensioning per Procedure 7 7 steps 10 to 15 Page 58 5 17i Elliptical Fitness Crosstrainer Procedure 7 12 Replacing a Speed Sensor Assembly Procedure 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right cover sections as described in Procedure 7 1 3 Disconnect the speed sensor cable from the lower PCA See Diagram 7 4 or Diagram 7 5 4 For serial code SB remove
50. iring as necessary Page 11 5 17i Ellipitical Fitness Crosstrainer Section Four Checking EFX 5 17i Operation This section provides you with a quick method of checking EFX operation Check the operation of the EFX at the end of most maintenance procedures Procedure hs 10 11 Plug the power cord into the wall outlet and set the on off switch in the on position With the PRECOR EFX 5 17i banner displayed press QUICK START Select Resistance Level 1 Operate the EFX for 4 5 minutes As you operate the EFX concentrate on the operating sounds made by the unit Be on the alert for unusual rubbing hitting grinding or squeaking noises If the EFX makes unusual noises or the electronic display does not change appropriately troubleshoot per section 6 Press the RESISTANCE a key until you reach Resistance Level 10 Operate the EFX for another 2 3 minutes If the EFX resistance does not change or the operation of the EFX feels inconsistent compared with Resistance Level 1 troubleshoot per section 6 Press the RESISTANCE a key until you reach Resistance Level 20 Operate the EFX for another 2 3 minutes If the resistance of the EFX 5 17i does not change or the EFX operation feels inconsistent with Resistance Levels 1 and 10 troubleshoot per Procedure 6 5 Check the LED s mounted on the upper PCA and the function keys displayed on the electronic console by performing Procedure 2 1 Turn off the EFX
51. l to the display housing backing plate These screws are located on the rear of the display housing backing plate 6 Lift the display housing front panel off of the display housing backing plate Remove the keypad connector from the upper PCA See Diagram 6 2 Diagram 6 2 Upper PCA amp Keypad ss Keypad Connector Upper PCA TP10 Display P12 Housing i Front Panel Page 23 10 11 12 13 14 15 5 17i Ellipitical 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 The display housing front panel is equipped with the keypad If you have performed all of the procedures above and have been unable to correct the problem call Precor customer service 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 Test the keypad per Procedure 2 1 step 6 If all of the keys test good the problem may be user error or a key function that is normally disabled during a particular user program If one or more keys do not function correctly either the keypad display housing or upper PCA could be defective Replace the display and repeat step 12
52. lts onto the input drive assembly as you set the input drive assembly in its mounting position in the drive unit Page 56 5 17i Elliptical Fitness Crosstrainer Diagram 7 13 Step Up Pulley Belt Step Up Pulley Belt Step Up Pulley f Tension Bolt S FA a Tension Bolt 13 Slide the pillow block bearings onto the input pulley shaft 14 Complete the installation alignment and tensioning per Procedure 7 7 steps 9 to 16 Page 57 5 17i Ellipitical Fitness Crosstrainer Procedure 7 11 Replacing a Step Up Pulley Assembly 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 1 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the magnet assembly as described in Procedure 7 13 6 Remove tension from the drive belts per Procedure 7 7 steps 6 amp 7 7 Slide the step up and input belts off of their pulleys 8 Remove the left and right tens
53. nting screws 8 Reconnect the keyboard cable to the upper PCA 9 Reconnect the upper interconnect cable and heart rate cable when equipped to the upper PCA 10 Remove the ground lead of the wrist strap from the EFX frame then remove the wrist strap from your arm Page 36 5 17i Elliptical Fitness Crosstrainer 11 Position the display enclosure on the display plate Replace and tighten the display mounting screws 12 Check operation as described in Section Four Page 37 5 17i Ellipitical Fitness Crosstrainer Procedure 7 3 Replacing a Lower PCA 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 Procedure 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the left and right rear cover sections 3 Attach the wrist strap to your arm then connect the ground lead of the wrist strap to the EFX frame 4 For serial code AMPF skip to step 11 For serial code SB continue with step 5 5 Disconnect the magnet speed sensor and A C cables from the lower PCA See Diagram 7 3 Remove two screws that secure the lower PCA mounting bracket to the frame Diagram 7 3 Lower PCA serial codes SB Speed Sensor
54. o step 11 If line voltage is measured but the motor does not move replace the lift motor Monitor terminals 1 and 3 white and black wires of lift power connector Enter the manual program and press the CROSSRAMP v key The measurement should be approximately 120 Vac line voltage If the voltage is present and the lift motor moves normally skip to step 13 The voltage will only be present until such time as an error occurs If line voltage is measured but the motor does not move replace the lift motor If the upper display does not indicate that the lift is moving in both directions when the appropriate CROSSRAMP key is pressed the problem is either the upper PCA the keyboard display housing Troubleshoot the keyboard per the keyboard portion of Procedure 2 1 If the keyboard is good replace the upper PCA If the upper display indicates that the lift is moving in both directions when the appropriate CROSSRAMP key is pressed the problem is either the upper interconnect cable lower interconnect cable and the lower PCA There are not any good tests to check these parts other than substituting a known good part Replace only one part at a time If the new part does not correct the problem replace the original part If you have performed all of the above tests and the lift system is still not functioning call Precor Technical Support Page 33 5 17i Ellipitical Fitness Crosstrainer Procedure 7 1 Replacing or Removing a Rear Cover Sec
55. ore Unsnap the ferrite core s housing and remove the ferrite core from the lower interconnect cable 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 side of the frame base as you carefully feed the replacement cable into the access hole near the lower PCA When the replacement interconnect cable emerges from the frame base separate the interconnect cables and discard the defective interconnect cable Mount the ferrite core on the replacement cable in the manner previously noted Connect the replacement interconnect cable to the lower PCA and mid point connector Rotate the lower PCA bracket into it s mounting position and fasten it with the screws removed in step 20 Page 43 5 17i Ellipitical Fitness Crosstrainer 25 Replace the left frame tube as described in steps 1 16 above 26 Replace the right and left rear cover sections and front frame end cap Thoroughly test the unit per Section 4 Page 44 5 17i Elliptical Fitness Crosstrainer Procedure 7 5 Replacing a Power Entry Module Procedure Note The power entry module on this EFX is a multifunction unit It functions as a power entry module A C line fuse holder on off switch and A C line filter 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2
56. r section and rear cover support to 30 inch pounds Page 35 5 17i Ellipitical Fitness Crosstrainer Procedure 7 2 Replacing a Display Enclosure or Upper PCA Procedure 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 Removing the Display Housing Front Panel 1 Set the on off switch in the off position WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Attach the anti static wrist strap to your arm then connect the ground lead of the wrist strap to the units frame 3 Remove the four screws that secure the display housing front panel to the display backing plate 4 Disconnect the upper interconnect cable J1 and the heart rate cable J2 when equipped from the upper PCA Removing and Replacing the Upper PCA 5 Carefully disconnect the keyboard cable from the upper PCA connector J3 6 Remove the four screws that secure the upper PCA to the display housing front panel Note Package the upper PCA in an anti static bag and document the problem as described in Procedure 2 4 Documenting Software Problems 7 Position the replacement upper PCA at its mounting location on the display housing front panel refer to Diagram 6 2 Replace and tighten the upper PCA mou
57. re from the ground terminal of the power entry module 4 Remove the two screws that mount the power entry module to the rear cover support 5 Remove the four screws that fasten the rear cover support to the frame base Remove the rear cover support 6 Setthe replacement rear cover support at it s mounting position Fasten it to the frame base with the four screws removed in step 5 7 Setthe power entry module at its mounting position in the rear cover support and secure the power entry module with the screws removed in step 4 8 Replace the wires removed in step 3 Connect the blue wire to terminal D the brown wire to terminal A and the green wire to the ground terminal of the power entry module Page 72 5 17i Elliptical Fitness Crosstrainer 9 Replace the top left and right cover sections per Procedure 7 1 10 Insert the A C line cord in the power entry module and the A C outlet 11 Set the on off switch in the on position and test the EFX per Section Four Page 73 5 17i Ellipitical Fitness Crosstrainer Procedure 7 22 Replacing a Power Entry Module Fuse Procedure 1 Set the on off switch in the off position Remove the A C line cord from the A C outlet and from the power entry module 2 Using a thin bladed screwdriver carefully pry the fuse access door open See Diagram 7 23 or Diagram 7 24 Diagram 7 23 Power Entry Module Fuse serial code SB Fuse Module Fuse i arc
58. s Crosstrainer 16 The resistance level will be displayed on the left side of the display and the corresponding power bits duty cycle will be displayed on the right side of the display Initially the power bits level will be zero pressing the a w keys will change the number of power bits being applied to the eddy current system Press the SELECT key RESISTANCE will scroll followed by the resistance setting 17 Press the RESET key to exit the diagnostics program Page 7 5 17i Ellipitical Fitness Crosstrainer Procedure 2 2 Accessing the Information Display Procedure 1 2 Plug the power cord into the wall outlet then turn on the EFX 5 17i with the on off switch With the PRECOR banner displayed press keys RESET 6 5 sequentially The EFX 5 33 Information display cycles through the following displays 10 11 12 13 14 a Odometer b Hour meter c Software version d Error log The display name STRIDES XX will scroll The strider value will be displayed as total strides accumulated Press the RESET key to proceed to the hour meter display The display name HOURS XX will scroll Then the hour meter value will be displayed as the total number of hours of use Fractional parts of an hour are stored internally the display will be truncated to the nearest full hour Press the RESET key to proceed to the software version display The upper software version UPPER SW VER X XX w
59. scribed below a Loosen the input belt tensioner axle nut and turn the input belt tensioner adjustment bolt counterclockwise until tension is removed from the input belt See Diagram 5 4 b Straighten the locking tabs and turn the left and right tension bolts counterclockwise until tension is removed from the step up belt See Diagram 5 4 c Slide the input and step up belts off of their pulleys 7 Remove the nuts that secure both pillow block bearings to the mounting studs serial code SB or mounting bolts serial code AMPF on the drive weldment uprights See Diagram 7 9 or Diagram 7 10 8 Lift the pillow block assembly off of the mounting studs and slide the pillow block assembly off of the input pulley shaft 9 Slide the replacement bearings onto the input pulley shaft and set the pillow block bearings in their mounting position on the frame studs Page 49 5 17i Ellipitical Fitness Crosstrainer Diagram 7 9 Pillow Block Bearings serial code SB BA Input Pulley x Mounting Nut Pillow Block Bearing 10 Thread and hand tighten the pillow block mounting nuts onto the mounting studs or mounting bolts Torque the pillow block mounting nuts to 80 in Ibs 11 Tighten the right and left hand tension bolts and the input belt tensioner adjustment bolt to remove most of the slack from the belt Page 50 5 17i Elliptical Fitness Crosstrainer 12 Tension the belts per Procedure 5 2 13 Replace the crank
60. serial code SB or step 6 serial code AMPF is significantly low replace the lower PCA If you have performed all of the above tests and are unable to resolve the problem contact Precor customer support Plug the line cord into the wall outlet and set the on off switch in the on position Page 29 14 15 16 17 18 19 Diagram 6 5 Lower PCA Serial code SB 5 17i Ellipitical Fitness Crosstrainer Measure between terminals 1 and 8 of the data cable connector on the upper PCA with a DC voltmeter See Diagram 6 5 or Diagram 6 6 The reading should be approximately 8 3 Vdc If the reading in step 14 is good replace the upper PCA If the reading in step 14 is significantly low set the on off switch in the off position Disconnect the data cable from the upper PCA Set the on off switch in the on position Measure between terminals 1 and 8 of the data cable connector on the lower PCA with a DC voltmeter See Diagram 6 5 or Diagram 6 6 The reading should be approximately 8 3 Vdc if the measurement is good replace the upper PCA If the measurement is significantly low continue with step 18 Disconnect the speed sensor cable from the lower PCA and repeat the measurement in step 17 If the measurement is good replace the speed sensor If the measurement is significantly low replace the interconnect cable If you have performed all of the above tests and are unable to resolve the problem contact
61. the display front panel off of the display housing and disconnect the upper interconnect cable from the upper PCA and the mid point connector Connect the replacement cable between the upper PCA and the mid point connector Set the display front panel at its mounting position and fasten it with the hardware removed in step 4 Thoroughly test the unit per Section 4 Remove the four screws that fasten the display front panel to the display housing Lift the display front panel off of the display housing and disconnect the intermediate interconnect cable from the mid point connector Remove the display front panel and set it aside Remove the four screws that fasten the display backplate to the frame Remove the display backplate and set it aside Place a block of wood under the front foot of the EFX The intermediate interconnect cable is routed through the left frame tube Raising the front of the unit removes the EFX s weigh from the left frame tube and allows removal of the left frame tube Caution must be exercised while the EFX s front is raised because the EFX will be unstable and can be rocked to the left or right Remove the two bolts that fasten the left hand frame tube to the display housing Loosen but do not remove the two bolts that fasten the right hand frame tube to the display mounting See Diagram 7 5 Remove the nuts that fasten the lower end of the left frame tube to the frame base Carefully slide the left frame tube off of
62. the on off switch With the PRECOR EFX 5 17i banner displayed press keys RESET 5 6 7 1 sequentially The display name SELECT UNITS will be scroll One of two measurement standards will be displayed U S Standard or Metric If U S Standard is selected weights will be in pounds and distances will be in miles If Metric is selected weights will be in kilograms and distances in kilometers Pressing any arrow key will toggle the units of measure between US Standard and Metric Press the ENTER key to save the currently displayed selection and exit the set user parameters display or press the RESET key to leave the selection unchanged and exit the set user parameters display Page 9 5 17i Ellipitical Fitness Crosstrainer Procedure 2 4 Documenting Software Problems When a problem is found with either the software or upper or lower PCA s record the information listed below If you isolated the problem to either the PROM upper PCA or lower PCA include the information you have recorded with the malfunctioning PROM or PCA when you ship it to Precor When a problem occurs record the following information Model and serial number Software version numbers for upper and lower PCA s Refer to Procedure 2 2 User and program number running when the problem occurred A description of a What happened or failed to happen b The action taken by the user just before the problem occurred c Problem related information suc
63. tion 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 Procedure 1 Set the on off switch in the off position then unplug the power cord from the A C outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 The rear cover is a five piece cover upper and lower front top left and right sections 3 If you are removing either the right or left cover section it is only necessary to remove the four screws that fasten the cover section 4 If you are replacing either the front or top cover section you must first remove the left and right cover sections and then remove the cover section being replaced 5 If you are removing the top cover See Diagram 7 1 remove the two phillip screws that fasten the top cover section to the frame upright Remove three screws that fasten the top cover section to the rear cover support Remove two screws that fasten the top cover section to the front cover section 6 Ifyou are removing the upper front cover section the right left and top cover sections must be removed first Remove two phillips screws that fasten the bottom of the front cover section to the frame The lower front cover section is fastened to the frame by two screws See Diagram 7 2
64. two bolts that fasten the stairarm pedal onto the stairarm Remove the stairarm pedal from the stairarm Remove the left and or right cover sections as described in Procedure 7 1 Remove the mounting bolt and nut that fastens the stairarm pivot block to the stairarm See Diagram 7 17 Slide the stairarm off of the stairarm pivot block Set the stairarm pedal at it s mounting position on the replacement stairarm Install and hand tighten the stairarm pedal mounting hardware removed in step 2 Torque the stairarm pedal mounting bolts to 60 inch pounds Remove and replace the wheel per procedure 7 15 Slide the replacement stairarm assembly onto the stairarm pivot block Install the felt pad and hand tighten the stairarm pivot block mounting hardware Torque the stairarm pivot block mounting hardware to 15 foot pounds Replace the left and or right cover sections per Procedure 7 1 Page 67 5 17i Ellipitical Fitness Crosstrainer Procedure 7 18 Replacing a Ramp Assembly 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 1 Set the on off switch in the off position then unplug the power cord from the wall outlet 2 Remove the right and left rear covers per Procedure 7 1 and pivot both stairarms to the rear of the unit Diagram 7 18 Lower Ramp Mounting F Y
65. ved 1 Procedure 1 Set the on off switch in the off position then unplug the power cord from the wall outlet WARNING Before continuing with this procedure review the Warning and Caution statements listed in Section One Things You Should Know 2 Remove the front top left and right cover sections as described in Procedure 7 1 3 Remove the stairarm assemblies as described in Procedure 7 17 4 Remove the crankarm assemblies as described in Procedure 7 6 5 Remove the magnet assembly as described in Procedure 7 13 6 Remove tension from the drive belts and remove the pillow block bearings per Procedure 7 7 steps 6 to 8 7 Remove the input drive assembly from the unit See Diagrams 7 10 and 7 11 8 Remove the four bolts that retain rear cover support and power entry module Swing the rear cover support away from the drive unit 9 Remove the left and right tension bolts locking tabs and brackets Slide the step up pulley assembly with both the step up and input belts out of the drive unit 10 Remove the step up pulley belt and place the replacement step up pulley belt in its mounting position on the step up pulley assembly 11 Set the step up pulley assembly with the step up and input belt at its mounting position in the drive unit Replace the tensioning bolts locking tabs and brackets removed in step 8 Thread the left and right tension bolts into the step up pulley shaft 12 Slide the step up and input be
66. ver per Procedure 7 1 There are four typical symptoms concerning the eddy current system No resistance pedaling resistance no resistance shortly after power up incorrect resistance and error 50 If the problem is no resistance continue with step 2 If the problem is no resistance shortly after power up test the speed sensor per Procedure 6 3 If the problem is incorrect resistance skip to step 7 If the problem is an error 50 skip to step 10 2 Setthe on off switch in the on position enter the manual program and set the resistance at level 10 Using a DC voltmeter check the voltage across the magnet wires at the lower PCA The voltage should measure approximately 40 Vdc If the voltage is missing or significantly low skip to step 4 If the voltage is correct continue with step 3 3 Set the on off switch in the off position Check the magnet wiring per Diagram 8 1 If any of the magnet wiring is reversed or incorrect the resistance will be affected 4 Set the on off switch in the off position Using an ohmmeter measure between the magnet wires at the lower PCA The measurement should be approximately 90Q to 110 If the measurement is open check the connections at both magnets and the lower PCA and the wires between the lower PCA and the magnets The lower PCA to magnet wires must read less than 19 when measured from end to end with an ohmmeter Check the EFX per Section Four 5 Ifall of the wiring connections

Service Manual, 5.17i EFX.fm

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