No Leds Or Random Leds Lit; No Rpm; Auto Start Failure - Life Fitness 8500 Service Manual

Life Fitness Model 8500, 9100, and 9500HR Cross-Trainers
Malfunction

No LEDs or random LEDs lit.

No RPM. Unit shuts off one minute
into program.

Auto start failure

8
Probable Cause
Cable connection faulty.
Main wire harness damaged.
Bad cable connection.

No RPM

Battery
Bad cable connection.
Magnet
Faulty reed switch or board.
Dead battery after C-Safe card is
installed.
Corrective Action
Remove display console and verify
cable is properly plugged into
console.
Check for a damaged wire harness.
Replace wire harness.
Verify cables connections at console
to power control PCB, and power
control PCB to alternator.
Disconnect and reconnect cables.
Using a voltmeter, verify cable
continuity on console to power
control PCB and power control PCB
to alternator.
Operator must be pedling unit for the
auto start feature to activate.
Battery voltage should be 5.8 – 6.3
Vdc. If not, replace the battery.
Verify cables connections at
console, board, and reed switch are
correct and connected properly.
Verify that magnet is on crank
pulley. If magnet is not present,
reinstall magnet.
Perform a continuity test. Inspect
reed switch for damage. If
necessary, replace the board.
Replace battery if under 5 VDC and
reset jumpers in C-Safe card. See
How To Set Jumpers.