Problem
Pad will not stay in the
pad change position.
Pad will turn on in the
pad changing position.
Circuit breaker trips.
Front of machine does
not move down to the
floor when turned on.
Flashing number 1
appears in battery
meter.
Flashing letter A
appears in battery
meter.
Fault code F12 appears
in battery meter.
Fault code F23 appears
in battery meter.
Fault code F26 appears
in battery meter.
Fault code F29 appears
in battery meter.
Fault code F32 appears
in battery meter.
Fault code F37 appears
in battery meter.
Fault code F42 appears
in battery meter.
Fault code
F44/F4C/F45/F59/F60
appears in battery
meter.
Fault code F4D/F46/F61
appears in battery
meter.
Fault code F58 appears
in battery meter.
Fault code F62 appears
in battery meter.
Fault code F63 appears
in battery meter.
Repairs performed by an unauthorized company will void the machine warranty.
If you require assistance finding an authorized service center, contact NSS Enterprises.
TROUBLE SHOOTING CHART CONTINUED
Cause
Weak or missing gas spring(s).
Tilt switch failure.
Spray Buffing.
Pad pressure to heavy.
Pad pressure collars out of adjustment.
Spring guides sticking in slides.
Brush motor circuit closed when machine is
turned on.
Twist grip not in neutral when master switch is
turned on. Potentiometer not set properly in
neutral position.
Internal programmable parameter data is
corrupt.
Internal temperature of controller has exceeded
the set parameters.
Precharge failure when controller is turned on or
the control system has been miswired causing
an internal controller failure.
Wired incorrectly. Internal control system failure.
Wired incorrectly. Internal control system failure.
Potentiometer wired incorrectly. Internal control
system failure.
The brush motor is exceeding the current limit
set in the controller.
Caused by wiring short circuit in drive wiring or
shorted drive motor.
Caused by wiring short circuit in brush wiring or
shorted brush motor.
The deceleration of the brush motor or drive
motor exceeded set parameters. Example:
Tried to slow down or stop on too steep a hill.
Wired incorrectly. Internal control system failure.
Caused by wiring short circuit in contactor
wiring or contactor coil.
Solution
Check and replace if necessary.
See daily maintenance for proper checking
procedure. Replace tilt switch as necessary.
DO NOT spray buff.
Check gas springs for failure and replace as
necessary.
Readjust pad pressure collars as required by
your burnishing conditions.
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.
Turn off brush switch. Check tilt switch for
proper operation.
Let go of twist grip. Have an authorized NSS
Service Station reset the potentiometer to
neutral or replace.
Turn machine off and then on. If problem
continues call for service.
Turn machine off and let control system cool off.
If problem continues call for service.
Turn machine off and then on. If problem
continues call for service.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Check wiring. Turn machine off and then on. If
problem continues call for service.
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.
Check wiring and drive motor for short circuit.
Correct problem if found. If problem continues
call authorized NSS Service Station for service.
Check wiring and brush motor for short circuit.
Correct problem if found. If problem continues
call for service.
Turn machine off and then on. If problem
continues call authorized NSS Service Station
for service.
Check wiring. Turn machine off and then on. If
problem continues call for service.
Check wiring and contactor for short circuit.
Correct problem if found. If problem continues
call for service.