True Fitness 750U Bicycle User Manual


 
Symptom Probable Cause Corrective Action Recommended Tools
IRREGULAR OR
NO DISPLAY
600R, 600U
Control Panel
Control Board
Cables
AC Voltage Output
Generator Output
Cable
Probe leads between pin 1 and 2 of 5PB.
(Page 19-20)
Pedal unit up to at least 30 RPM.
Is voltage 5 VDC?
If not 5 VDC – replace Control Panel.
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Disconnect 6PG from 6PH.
Pedal.
Check DC voltage between pins 2 and 3
for 5 VDC.
No 5 VDC? – Replace Control Board.
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Perform continuity checks on all upper
and lower cables.
Replace defective cables
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Check for AC Voltage between pins 1
and 2 of 3PB, and pins 2 and 3 of 3PB.
Is there AC voltage output in both
places?
If yes – replace Control Board.
Check for AC Voltage between pins 1
and 2 of 3PD, and pins 2 and 3 of 3PD.
Is there AC voltage output in both
places?
If no – replace Generator.
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Perform a continuity check on the
generator output cable.
If no continuity – replace cable
Multi-meter
Support Services 800-883-8783 Mon-Fri 8:30am-5:00pm Central Time Zone Fax: 636-272-7148
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