Life Fitness 90R, Service Manual

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Lifecycle Recumbent Bikes LC95R, LC91R, LC85R, R9, R7, 95Ri, 93Ri, 90R, and 95Re
TROUBLESHOOTING GUIDE
SYMPTOM PROBABLE CAUSE CORRECTIVE ACTION
Malfunctioning Alternator
Control Board Test with substitute Alternator Control
Board. Replace defective board. During MANUAL program, resistance
variation occurs.
Malfunctioning Alternator Test Alternator output or, test with
substitute Alternator. Replace
malfunctioning Alternator. Refer to
Alternator Voltage Test.
Loose wire connections Disconnect then, reconnect
connections.
Worn or damaged harnesses Inspect wire harnesses. Replace
worn or damaged harness.
Malfunctioning Display
Console Test with substitute Display Console.
Replace malfunctioning Display
Console.
Malfunctioning Alternator
Control Board Test with substitute Alternator Control
Board. Replace defective board.
During RANDOM or HILL programs,
resistance is constant without variation
for interval training nor hill
incline/decline.
Malfunctioning Alternator Test Alternator output or, test with
substitute Alternator. Replace
malfunctioning Alternator. Refer to
Alternator Voltage Test.
Malfunctioning Pulley Clutch
Assembly Inspect Clutch for free backward and
forward rotation. Replace
malfunctioning Pulley Clutch or
Freewheel.
Alternator Belt excessively
tight Inspect belt deflection. Adjust as
necessary.
Alternator Belt Deflection: 1/4 inch
(6mm)
Alternator Belt Alignment is
OFF Realign alternator belt to far users left
groove of the alternator pulley, not in
the center.
Pedaling is difficult, feels restricted or,
is not possible when Exercise Bike has
not been started (START key not
pressed).
Crank bearings worn or
corroded Replace Crank Bearings.
Pedaling too slowly Pedal faster than 30 RPM.
Program level doesn’t
challenge user ability Select higher level.
Loose wire connections Disconnect then, reconnect
connections.
Worn or damaged harnesses Inspect wire harnesses. Replace
worn or damaged harness.
Malfunctioning Display
Console Test with substitute Display Console.
Replace malfunctioning Console.
During exercise program, pedaling is
insufficiently easy, not providing
adequate resistance.
Malfunctioning Alternator
Control Board Test with substitute Alternator Control
Board. Replace defective board.