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True Fitness Service
Manual
Elliptical Trainers
750E
750EA
600EA
True fitness technology, Inc. makes no representations or warranties regarding the
contents of this manual. We reserve the right to revise this document at any time or
to make changes to the product described within it without notice or obligation to
notify any person of such revisions or changes.
© 2004, True Fitness, Inc. All rights reserved. Printed in the United States of
America.
865 H
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Recommended Tool List Technicians will need at minimum the tools listed below to work on the True Fitness equipment covered by these procedures. Electrical Tools A multi meter capable of testing voltage, amperage, resistance and continuity. Outlet tester with a grounding indicator. Wire stripper, cutter and crimper. Flashlight Mechanical Tools Screwdrivers: #1 Phillips, #2 Phillips, large flat blade, small flat blade, short handled flat blade. Metric hex-key (All
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True Fitness Elliptical Service Manual START Symptom guide Wiring Diagrams Parts Manual Removal and Replacement Procedures Page 1
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Test Mode *750 ONLY Procedure To Enter Diagnostic • Press and hold the “Start” key as you Mode begin pedaling. • Continue pedaling throughout the test. ------- D Console / Display • Press “Enter” key – initiates the second Output LED function test. • Press “Enter” key again –all LED’s I should be on. -------- A RPM • Press “Enter” key – RPM’s displayed in the far righ
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SYMPTOM GUIDE 600EA Resistance Malfunction . . . . . . . . . . . . . . . . . . . Page 13 No Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14 No Speed Reading. . . . . . . . . . . . . . . . . . . . . . . . Page 15 750E,750EA No Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5 Heavy Resistance . . . . . . . . . . . . . . . . . . . . . . . . Page 6 No Display . . . . . . . . . . . . . . . . . . . . . . . . .
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Symptom Probable Cause Corrective Action Recommended Tools NO RESISTANCE Console Set 750E, 750EA • Remove console bolts to access 7-pin connector. Do not disconnect console Note: set. • Enter DA (resistance) test mode. (Page 3). You must pedal at least 30 RPM when • Press + key to force .7 VDC out of performing any voltage panel. test. You may require the • Set meter for DC Volts. Measure assistance of another between #2
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Symptom Probable Cause Corrective Action Recommended Tools HEAVY Foreign Objects RESISTANCE • Check for foreign objects causing Multi-meter 750E, 75 0EA mechanical binding. • Remove foreign objects. -------- Console Set • Remove the console set. • Disconnect the 7-pin connector from the back of the console set. • Pedal. • Resistance normal? Replace console set. -------- Defective Cables • Remov
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Symptom Probable Cause Corrective Action Recommended Tools No Display 750E, 750EA Console Set • Remove console set bolts. Verify good Note: connection at the back of the console set. Set meter for DC volts You must pedal at least • Pedal. 30 RPM when • Measure between #1 and #4 wires for performing any voltage test. You may require the 5.5 – 7.5 VDC. assistance of another • Is required voltage present? person when performing • If
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Symptom Probable Cause Corrective Action Recommended Tools NO CONTACT • Verify hand pulse sensors are clean. HEART RATE Dirty Sensors Note: 750E, 750EA -------- You must pedal at least 30 RPM when • Set meter for continuity. performing any voltage Console Set/ test. You may require the • Remove Console set. Wiring assistance of another • Check for continuity in both sets of person when performing hand pulse sensors between the con
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Symptom Probable Cause Corrective Action Recommended Tools NO POLAR HEART RATE Control Panel • Attach heart rate simulator around chest Note: 750E, 750EA or use Polar simulator. 600EA. • Do not touch the hand pulse sensors. • Start pedaling You must pedal at least • Check display for heart rate. 30 RPM when performing any voltage test. You may require the -------- assistance of another person when performing voltage checks
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Symptom Probable Cause Corrective Action Recommended Tools VIBRATION FROM DRIVE Belt Tension • Remove main body cover. Long handled TRAIN • Check poly V- belt for bumps- if bump screwdriver 750E, 750EA exists, replace the belt. 600EA. • Check for proper belt tension. Belt should be very tight, grasp belt in the middle and twist, you should only be able to twist it 90 degrees. -------- Brake Vibration • Pedal.
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Symptom Probable Cause Corrective Action Recommended Tools KNOCKING IN • Remove main body cover. Crank and Shaft Multi-meter RHYTHM OF • Check crank arm nuts for tightness. 14mm socket PEDALING • Is noise coming from the crank area 21mm socket • If yes – remove crank, check shaft and 27mm socket crank for damage. • Replace parts as needed. -------- Swing Arm Bearings • Check the moving arm bearing for noise
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Symptom Probable Cause Corrective Action Recommended Tools SQUEALIN G / • Remove aluminum extrusion tubes. Cleaning Aluminum Non- petroleum based SCREECHING • Clean tracks with general purpose Extrusion Tubes cleaner. (For example: FROM cleaner. DO NOT USE PETROLIUM Simple Green) ALUMINUM BASED CLEANERS – it will degrade EXTRUSION the rollers. TUBES • Clean roller. 750E, 7 50EA, 600EA. ------- • Check rollers for bum
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Symptom Probable Cause Corrective Action Recommended Tools RESISTANCE • Remove console bolts to access 7-pin Console Set Note: MALFUNCTION connector. Do not disconnect console 600EA set. Set meter for DC Volts. Measure between pin 1(red) and pin 5(blue) at 7- You must pedal at least pin connector. 30 RPM when performing any voltage test. You may require the • Enter DA (resistance) test mode. Page assistance of another SG-1. pe
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Symptom Probable Cause Corrective Action Recommended Tools NO DIS PLAY • Set meter to AC voltage and test wall Power Issues Multi-meter 600EA outlet to 120 VAC. • Turn power switch on • Does power switch lamp come on? • Yes – go to control panel. • No- remove rear cover. • Check voltage input to switch, is it 120 VAC? If yes – replace switch. If no – continue on. • Check voltage at end of power cord. • No voltage? Repla
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Symptom Probable Cause Corrective Action Recommended Tools NO SPEED • Remove monitor bolts. Move the swing Console Assembly Multi-meter READING arms until the magnet is in front of the 600EA sensor. • Set meter for DC volts. Check voltage between pin 3 and pin 1 at console assembly with cable connected. • Move swing arms. When magnet is over the pickup the voltage should be 0 VDC. When the magnet is not over the pickup, t
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WIRING DIAGRAMS TAE 600 Page 16 TAE 750 Page 17 TE 750 Page 18 Page 15
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TRUE TAE 600 WIRING DIAGRAM Page 16
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TRUE TAE 750 WIRING DIAGRAM Page 17
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TRUE TE 750 WIRING DIAGRAM Page 18
