Display Does Not Illuminate Or Respond To Input - Life Fitness 9000 Service Manual

Life Fitness Model 9000 Treadmill
TROUBLESHOOTING GUIDE
Symptom: Display Does Not Illuminate or Respond To Input
Malfunction
Display does not illuminate
when machine is powered
on.
4
Probable Cause
Insufficient power source.
Loose connection at display
console or control board.
Pinched wire harness at the
base of the left handrail.
Faulty display console.
Faulty CPU control board.
Corrective Action
±
Plug treadmill into a dedicated 120V, 20
amp circuit
±
Turn power off for 30 seconds. Turn power
ON and within 30 seconds press "9-0-9,
Enter" on the keypad.
±
Check all electrical connections.
±
Secure connections at display console and
control board.
±
Reinstall display console and handrail ,
inspect for pinched harnesses. Replace
harness if damaged.
±
Switch display console with another Life
Fitness model 9000 treadmill if available.
±
Replace display console.
±
Switch CPU control board with another Life
Fitness model 9000 treadmill if available.
After troubleshooting, replace CPU board
to original unit.
±
Replace CPU control board.
Call Life Fitness
Customer Support Services
1-800-351-3737 or 1-847-451-0036