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Troubleshooting
WARNING: For your own safety,
turn switch “OFF”, and remove
plug from power source outlet
before troubleshooting your
sander.
TROUBLE PROBABLE CAUSE REMEDY
Excessive noise
NOTE: The sander will
make some noise when
it is operating normally
1. Motor gearbox not oper-
ating correctly.
1. Consult Authorized Service
Center, any attempt to repair
this motor or gearbox may
create a hazard unless
repair is done by a qualified
service technician.
Motor fails to develop
full power, starts slowly,
or fails to come up to full
speed.
NOTE: Low voltage
1. Circuit overloaded with
lights, appliances and
other motor.
2. General overloading of
power company facili-
ties.
3. Motor relay not operat-
ing.
1. Do not use sander on
heavily loaded circuits
2. Request a voltage check by
qualified electrician
3. Have relay replaced. Con-
sult Authorized Service
Center. Any attempt to
repair this relay may create
a hazard unless repair is
done by a qualified service
technician.
Motor overheats 1. Motor overloaded. 1. Reduce pressure on work-
piece.
Motor stalls (resulting in
blown fuses or circuit
breakers)
1. Motor relay not operat-
ing.
2. Voltage too low. Circuit
overloaded or general
overloading of power
company facilities.
3. Incorrect fuses or circuit
breakers in power line.
1. Have relay replaced.Con-
sult Authorized Service
Center. Any attempt to
repair this relay may create
a hazard unless repair is
done by a qualified service
technician.
2. Request voltage check by
qualified electrician
3. Install correct fuse or circuit
breaker.