TROUBLE SHOOTING CHART CONTINUED
Problem Cause
Solution
Circuit breaker trips.
Spray Buffing.
DO NOT spray buff.
Pad pressure to heavy.
Check gas springs for failure and replace as
necessary.
Pad pressure collars out of adjustment.
Readjust pad pressure collars as required by your
burnishing conditions.
Front of machine does not
move down to the floor
when turned on.
Spring guides sticking in slides.
Check spring guides for proper operation. Replace if
bent. Lubricate if necessary. Loosen bolts in spring
guide mounting bracket, it will self align, retighten
bolts.
Flashing number 1 appears
in battery meter.
Brush motor circuit closed when machine is turned on.
Turn off brush switch. Check tilt switch for proper
operation.
Fault code F12 appears in
battery meter.
Internal programmable parameter data is corrupt.
Turn machine off and then on. If problem continues
call for service.
Fault code F23 appears in
battery meter.
Internal temperature of controller has exceeded the
set parameters.
Turn machine off and let control system cool off. If
problem continues call for service.
Fault code F26 appears in
battery meter.
Precharge failure when controller is turned on or the
control system has been miswired causing an internal
controller failure.
Turn machine off and then on. If problem continues
call for service.
Fault code F29 appears in
battery meter.
Wired incorrectly. Internal control system failure.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Fault code F32 appears in
battery meter.
Wired incorrectly. Internal control system failure.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Fault code F37 appears in
battery meter.
Potentiometer wired incorrectly. Internal control
system failure.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Fault code F42 appears in
battery meter.
The brush motor is exceeding the current limit set in
the controller.
Check the gas springs for wear. Check the brush
pressure set collars for proper adjustment. Check pad
driver and Flexiwall shield for proper installation and
problems. Turn machine off and then on. If problem
continues call for service.
Fault code
F44/F4C/F45/F59/F60
appears in battery meter.
Caused by wiring short circuit in drive wiring or
shorted drive motor.
Check wiring and drive motor for short circuit. Correct
problem if found. If problem continues call authorized
NSS Service Station for service.
Fault code F4D/F46/F61
appears in battery meter.
Caused by wiring short circuit in brush wiring or
shorted brush motor.
Check wiring and brush motor for short circuit. Correct
problem if found. If problem continues call for service.
Fault code F58 appears in
battery meter.
The deceleration of the brush motor or drive motor
exceeded set parameters. Example: Tried to slow
down or stop on too steep a hill.
Turn machine off and then on. If problem continues
call authorized NSS Service Station for service.
Fault code F62 appears in
battery meter.
Wired incorrectly. Internal control system failure.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Fault code F63 appears in
battery meter.
Caused by wiring short circuit in contactor wiring or
contactor coil.
Check wiring and contactor for short circuit. Correct
problem if found. If problem continues call for service.
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