Troubleshooting Guides - Life Fitness 5500HR Service Manual

Life Fitness Model 5500HR Treadmill
TROUBLESHOOTING GUIDE
Symptom: Noisy Treadmill
Malfunction
Knocking sound at rear of
machine
Knocking sound coming
from deck
Rubbing sound from
underneath machine
Squeaking noise
Squeaking noise at higher
speeds
Loud "groaning" sound
heard from front of
machine while elevating
Loud "groaning" on
footfall
2
Probable Cause
Wax build-up on roller
Faulty rear roller bearings.
Loose deck screws.
Foreign objects may be stuck
underneath the machine.
Lifesprings may be misaligned.
Drive Motor Belt may be worn
or damaged.
Noisy Drive Motor.
Drive Motor Belt may be
squeaking.
Noisy Drive Motor.
Faulty Lift Motor.
Faulty Drive Motor.
High deck and belt friction.
Corrective Action
q
Run unit for 10 hours of ontime use to
distribute wax evenly
q
Replace rear roller assembly.
q
Tighten deck screws.
q
Inspect underneath belt and machine.
Remove any debris or accumulation on
debris brush.
q
Reposition Lifesprings.
q
Replace Drive Motor Belt.
q
Replace Drive Motor.
q
Spray with gear/belt lubricant.
q
Align pulleys if necessary.
q
Replace Drive Motor.
q
Replace Lift Motor.
q
Replace Drive Motor.
q
Perform "Power Mode" test.
(See Diagnostics Section)
For Assistance Call:
Life Fitness Customer Support Services
1-847-451-0036 or 1-800-351-3737