23
Troubleshooting
WARNING: For your own safety, turn switch “OFF”, and remove plug from power source outlet before trou-
bleshooting your sander.
TROUBLE PROBABLE CAUSE REMEDY
Excessive noise
NOTE: The sander will
make some noise when
it is operating normally
1. Motor gearbox not operating cor-
rectly.
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 techni-
cian.
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 facilities.
3. Motor relay not operating.
1. Do not use sander on heavily loaded circuits
2. Request a voltage check by qualified electrician
3. Have relay replaced. Consult Authorized Service
Center. Any attempt to repair this relay may cre-
ate a hazard unless repair is done by a qualified
service technician.
Motor overheats 1. Motor overloaded. 1. Reduce pressure on workpiece.
Motor stalls (resulting in
blown fuses or circuit
breakers)
1. Motor relay not operating.
2. Voltage too low. Circuit over-
loaded or general overloading of
power company facilities.
3. Incorrect fuses or circuit breakers
in power line.
1. Have relay replaced.Consult Authorized Service
Center. Any attempt to repair this relay may cre-
ate 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.
Frequent opening of
fuse or circuits breaker
1. Motor overloaded.
2. Incorrect fuses or circuit breaker
in power line.
3. Relay not operating.
1. Feed work slower
2. Install correct fuse or circuit breakers.
3. Have relay replaced. Consult Authorized Service
Center. Any attempt to repair this relay may cre-
ate a hazard unless repair is done by a qualified
service technician.
Motor will not run 1. Damaged On-Off Switch/Cord.
2. Burned out motor, no power to
motor or low voltage.
1. Replace damaged parts before using sander.
2. Consult Authorized Service Center. Any attempt
to repair this motor may create a hazard unless
repair is done by a qualified service technician.
Sanding drum or belt
slips or slows down eas-
ily
1. Applying too much pressure to
workpiece.
2. Spindle knob too loose.
1. Ease up on workpiece.
2. Tighten spindle knob.
Wood burns while sand-
ing
1. Sanding drum is glazed with sap. 1. Replace sandpaper.
Sandpaper doesn’t
remove material
1. Sandpaper is compacted with
sawdust.
1. Replace sandpaper.
Spindle doesn’t go
through full 3/4” travel
1. Sawdust is compacted under
lower drum washer.
2. Fan not installed.
3. Damaged gearbox.
1. Vacuum sawdust from area of lower drum washer.
2. Ensure that fan is installed with vanes face down.
3. Consult Authorized Service Center. Any attempt
to repair this gearbox may create a hazard unless
repair is done by a qualified service technician.
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