Erratic Display Console Leds; Display Console Leds Remain Illuminated - Life Fitness Lifecycle 9500HR Series Service Manual

Lifecycle 9500HR / 9100 Series Recumbent Exercise Bikes
TROUBLESHOOTING GUIDE
Malfunction
Erratic Display Console
LEDs.
Display Console LEDs
remain illuminated.
Probable Cause
Pedaling too slowly.
Insufficient battery voltage.
Loose connections at the
alternator Power Control Board
(PCB) and/or at the Alternator
Terminals. Damaged wiring
harness.
Malfunctioning Display
Console.
Malfunctioning Alternator
Control Board.
Malfunctioning Alternator.
Malfunctioning Display
Console.
Loose connections at the
alternator Power Control Board
(PCB) and/or at the Alternator
Terminals. Damaged wiring
harness.
Malfunctioning Alternator
Control Board.
Corrective Action
Pedal faster than 45 RPM.
LC95R battery voltage output should be: 5.8 -
6.3 VDC. LC91R battery voltage output should
be: 9.0 VDC.
Make sure that all connections are secure.
Remove connectors at the PCB then
reconnect, and at the alternator terminals,
make sure terminal nuts are tight. Inspect
wiring harness for damage. Replace as
necessary.
Test with known good Display Console.
Replace malfunctioning Display Console.
Test with known good Alternator Control
Board. Replace malfunctioning board.
Test Alternator output, or test with known good
Alternator. Replace malfunctioning Alternator.
Inspect for damage or depression at START
key. Test with known good Display Console.
Replace malfunctioning Display Console.
Make sure that all connections are secure.
Remove connectors at the PCB then
reconnect, and at the alternator terminals,
make sure terminal nuts are tight.
Inspect wiring harness for damage. Replace as
necessary.
Test with known good Alternator Control
Board. Replace defective board.
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