Display Console Leds Not Illuminating; Display Console Initializes Then Fails; No Prompt - Life Fitness LC9500R Service Manual

Lifecycle Recumbent Bikes LC95R, LC91R, LC85R, R9, R7, 95Ri, 93Ri, 90R, and 95Re
TROUBLESHOOTING GUIDE
SYMPTOM

Display Console LEDs not illuminating

Display console initializes then fails

No prompt upon release of START
key. Entry of additional information not
allowed.
PROBABLE CAUSE
Auto start not responding.
Keypad not responding.
Insufficient battery voltage.
Loose wire connections.
Worn or damaged wire
harnesses.
Malfunctioning display
console.
Malfunctioning alternator
control board (ACB).
Loose wire connections.
No RPM.
Malfunctioning alternator.
Malfunctioning alternator
control board.
Malfunctioning display
console.
Worn or damaged wire
harnesses.
Malfunctioning display
console.
Battery drained.
3
CORRECTIVE ACTION
Check auto start not responding.
Test keypad in diagnostics.
Check battery voltage. The LC9500,
LC9100, and C9i have a 6VDC
battery (non-alkaline) which should
test at a minimum of 6.0 VDC. The
LC8500, and C7 has a 9VDC alkaline
battery and it should test at a
minimum of 9.0 VDC. Replace battery
if it fails to meet minimum
requirements.
Disconnect then reconnect
connections.
Inspect wire harnesses. Replace
worn or damaged harness.
Test with substitute display console.
Replace malfunctioning display
console.
Test with substitute ACB. Replace
malfunctioning ACB.
Disconnect then secure connections.
Enter Diagnostic and check for RPM.
Test alternator output or test with
substitute alternator. Replace
malfunctioning alternator. Refer to
Alternator Voltage Test.
Test with substitute alternator control
board. Replace malfunctioning board.
Test with substitute display console.
Replace malfunctioning display
console.
Inspect wire harnesses. Replace
worn or damaged harness.
Test with substitute display console.
Replace malfunctioning display
console.
Replace Battery with new one.