Troubleshooting - Nilfisk Advance SelecTrac 12 Manual De Instrucciones

TROUBLESHOOTING

Problem
The unit does not operate.
The vacuum motor does not operate.
The vacuum motor operates but the
machine does not remove enough
water from the carpet or is leaving
water "streaks" on the carpet.
The brush drive motor does not operate.
The circuit breaker protecting the brush
drive motor continually opens ("trips")
during operation.
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Cause
The unit is not connected to an suitable, grounded
electrical outlet.
The fuse/circuit breaker protecting the electrical
outlet is open.
The vacuum motor switch is in "off" position.
The vacuum motor, vacuum motor switch and/or
vacuum motor wiring circuit is defective.
The vacuum hoses are loose or disconnected and/
or damaged.
The vacuum air passages are obstructed.
Air is leaking around recovery tank lid.
The recovery tank is full.
The spray nozzle is obstructed, damaged or worn.
Defective vacuum motor.
The brush drive motor switch is in "off" position.
The circuit breaker protecting the brush drive motor
is open ("tripped").
The brush drive motor, brush drive motor switch
and/or brush drive motor wiring circuit is defective.
Debris is preventing the brush roll from rotating.
The brush drive motor, brush drive motor switch
and/or brush drive motor wiring circuit is defective.
Solution
Confirm that the unit is connected to a suitable,
grounded electrical outlet.
Reset the fuse/circuit breaker. If the fuse/circuit
breaker opens a second time, contact the dealer
from which the machine was purchased or an au-
thorized service station for repair.
Turn the vacuum motor switch to "on" position.
Contact the dealer from which the machine was
purchased or an authorized service station for re-
pair.
Make sure the ends of the vacuum hoses are are
securely installed. Inspect the vacuum hoses and
replace if damaged.
Unplug the unit from the power supply. Remove any
debris from the suction nozzle, vacuum hose and
tank lid filter cap.
Make sure lid is correctly installed in recess on top
of recovery tank. Inspect gasket on edge of tank lid
and replace if damaged.
Empty the recovery tank.
Clean the spray nozzle using vinegar and water
solution (see "Maintenance"). Inspect spray nozzle
and replace if damaged or worn.
Contact the dealer from which the machine was
purchased or an authorized service station for re-
pair.
Turn the brush drive motor switch to "on" position.
Unplug the unit from the power supply. Remove any
debris which may be preventing the brush roll from
rotating. Adjust brush height before restarting unit
(see "MAINTENANCE"). If the circuit breaker opens
a second time, contact the dealer from which the
machine was purchased or an authorized service
station for repair.
Contact the dealer from which the machine was
purchased or an authorized service station for re-
pair.
Unplug the unit from the power supply. Remove any
debris which may be preventing the brush roll from
rotating.
Contact the dealer from which the machine was
purchased or an authorized service station for re-
pair.
FORM NO. 56041504 / SelecTrac 12 - 7
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