True Fitness 750EA, 600EA manual No Resistance

Page 6

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

 

 

Press + key to force .7 VDC out of

30 RPM when

 

 

 

panel.

performing any voltage

 

 

Set meter for DC Volts. Measure

test. You may require the

 

 

assistance of another

 

 

 

between #2 pin and #4 pin at 7- pin

person when performing

 

 

 

connector.

voltage checks.

 

 

Is .7 VDC present? No- replace console

 

 

 

 

set. If present, continue on.

Multi-meter

 

Defective Cables

--------

 

 

 

Remove right mast cover and handlebar.

 

 

 

Measure between the #2and #4 wires at

 

 

 

 

the 7 –pin connector on the lower board.

 

 

 

Is .7 VDC present? No- replace cable

 

 

 

 

for console. If present, continue on.

 

 

 

Power Resistance

--------

 

 

 

 

 

 

DO NOT PEDAL.

 

 

 

Set meter for resistance. Disconnect 3-

 

 

 

 

pin connector at the lower control board.

 

 

 

 

Measure resistance between #1 pin and

 

 

 

 

#3 pin.

 

 

 

Resistance should be 10 ohms, +/- 1

 

 

 

 

ohm.

 

 

 

If less than 10 Ohms- replace power

 

 

 

 

resistance. If resistance checks OK,

 

 

 

 

continue on.

 

 

--------

DO NOT PEDAL.

Remove main body cover, set meter for continuity.

Disconnect brake cable from brake and lower board.

Check continuity of all wires in cable.

Check for cross continuity- this would indicate multiple shorts in the cable.

No continuity? Replace Brake cable.

Yes continuity? Replace lower board.

Page 4

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Mon-Fri 8:30am-5:00pm Central Time Zone

Fax: 636-272-7148

 

 

 

Image 6
Contents True Fitness Service Manual Elliptical Trainers Revision 9/2004Recommended Tool List Start To Enter Diagnostic Mode Console / Display Output RPMSymptom Guide No Resistance Heavy Resistance Page Dirty Sensors Console Set Wiring Wire Connections No Contact Heart Rate 750E, 750EANo Polar Heart Rate Control Panel600EA Vibration From Drive TrainRhythm KnockingCrank and Shaft PedalingSymptom Probable Cause Corrective Action Recommended Tools Resistance Malfunction Enter DA resistance test mode. Page SG-1600EA Power Issues Control Panel Power Supply Cables No DisplayConsole Assembly RPM Sensor Defective ECB Control Board No Speed Reading 600EAWiring Diagrams True TAE Wiring Diagram True TAE Wiring Diagram True TE Wiring Diagram True Armed Elliptical 600B True TAE Parts Diagram TAE 600B Wheel Assy MVG ARM True Armed Elliptical True TAE Parts Diagram TAE CABLE-REMOTE Switchlh Console END True Elliptical True TE Parts Diagram TE 750 Prior to Serial # Side COVER-LEFT Front True TE TE 750 After Serial # 00-EL2253L MOUNT-CONTROL Board Page True Fitness Removal Replacement Removal and Replacement Step Remove Belt Wheel Lift belt wheel assembly from bearing Fixtures Remove Brake Step Remove brackets to free belt Remove Brake Brackets & Belt Remove Belt & Tensioner Assembly Remove Small Poly-V Pulley Step Remove Crank & .235 Diameter Poly-V Pulley Step Remove Hub Assemblies