Unit Resets Randomly - Life Fitness 9000 Service Manual

Life Fitness Model 9000 Treadmill
TROUBLESHOOTING GUIDE
Malfunction

Unit resets randomly

Probable Cause
Insufficient power source.
Line cord improperly seated in
electrical outlet.
Damaged line cord.
Damaged ground tinsel
Towel or magazine may be
making contact with stop
switch while user is running.
Pinched wire harness at the
base of the left handrail.
Stop switch cover is missing.
Stop switch is activated with
very light pressure or returns
very slowly after being pressed.
Loose connection at stop
switch or display faceplate.
Loose connection at console
assembly.
Case ground on treadmill is
open.
Stop switch relay connection is
faulty.
Loose connections at CPU
control board and display.
Faulty circuit breaker.
Symptom: Unit Resets Randomly
Corrective Action
±
Plug treadmill into a dedicated 120V, 20
amp circuit.
±
Inspect power connection at outlet and at
machine for proper contact.
±
Inspect ground pin, replace line cord.
±
Replace missaligned or damaged tinsel.
±
Move possible obstructions off display
console and handlebar.
±
Reinstall Display Console and handrail,
inspect for pinched harnesses. Replace
harness if damaged.
±
Replace stop switch.
±
Replace stop switch.
±
Secure connections.
±
Secure connections.
±
Check contact points for proper ground
connections (Contact Customer Support
Services for procedure instructions).
±
Replace stop switch.
±
Secure connections at CPU control board
and display.
±
Test using ohm meter. Test breakers
tapping several times. Verify whether or not
the breaker is good.
Call Life Fitness
Customer Support Services
1-800-351-3737 or 1-847-451-0036
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