Life Fitness LS 9100, Service Manual

Page: 17 / 93

10
Life Fitness 9100/9500HR Belt Drive Stairclimbers
TROUBLESHOOTING GUIDES
Symptom: INACCURATE COUNT OF STEPS - GOAL OR ACTUAL
Symptom Probable Cause Corrective Action
Upon start program or,
during program, displayed
count of steps is not
accurate.
Display Console Test the display step height. See diagnostics.
Wire connectors not seated
properly Remove the Display Console. Disconnect then
reconnect the harness connections at Display
Console. See How To...
See How To... Remove shroud assembly.
Alternator Brushes Perform step alternator test. Tension should
increase as INCREASE key is pressed. If
tension does not increase, inspect alternator
brushes. Brushes should not be cracked or less
than 1/4 inch long. Brushes should be of
approximately equal length. Field wire should
be connected.
Replace faulty alternator brushes.
Alternator Perform step alternator test. Refer to
diagnostic mode.
Replace faulty alternator.
Power Control Board Using a voltmeter, verify test points on Power
Control Board. See wiring diagram for voltage
values and pin locations.
For Assistance Contact
Life Fitness Customer Support Services
Teleph.: 847.451.0036 or 800.351.3737
Telefacs.: 847.288.3702 or 800.216.8893