6
Life Fitness Model 4000 Treadmill
TROUBLESHOOTING GUIDE
Symptom: DISPLAY DOES NOT ILLUMINATE OR RESPOND TO INPUT
Malfunction Probable Cause Corrective Action
Display will not illuminate
when machine is turned on. Insufficient power source. Plug Treadmill into power source with proper
electrical requirements. (See Operation
Manual)
Loose connection at Display
Console or Control Board. Secure connections at Display Console and
Control Board.
Faulty Control Board. With a volt meter check cable voltage at P1
(Console cable) for 8v DC. (pin #2 positive )
(pin #8 negative).
Faulty Display Console. Replace Display Console.
For Assistance:
Call Life Fitness Customer Support Services
1-847-451-0036 or 1-800-351-3737