SYMPTOM
POSSIBLE CAUSE(S)
CORRECTIVE ACTION
Motor will not start
1. Low voltage
2. Short circuit in line cord or plug
3. Short circuit in motor
4. Open circuit or loose connection in
motor
5. Incorrect fuses or circuit breakers
6. Defective switch
7. Defective capacitor
1. Check power supply for proper voltage
2. Inspect line cord and plug for faulty insulation or
shorted connection
3. Inspect connection on motor.
4. Inspect connection on motor
5. Replace with correct fuses or circuit breakers
6. Replace switch
7. Replace capacitor
Motor stalls or fails to
reach full speed
1. Power overload
2. Low voltage from power supply
3. Undersized line cord
4. Motor overload
5. Short circuit or loose connection in
motor
6. Incorrect fuses or circuit breakers
1. Reduce workload on the power supply
2. Check power supply for proper voltage
3. Use line cord of adequate size or reduce length
of wiring
4. Reduce load on motor
5. Inspect the connection in motor for loose or
shorted connection
6. Replace with correct fuses or circuit
Motor overheats
Motor overloaded
Reduce load on motor. Turn off the machine until
motor cools down
Machine slows down
while operating
Applying too much pressure during
operation
Ease up on pressure
Sandpaper not
removing wood
Sandpaper glazed or loaded with
sawdust
Replace sandpaper
Wood burns while
sanding
Sandpaper glazed or loaded with
sawdust
Replace sandpaper
Abrasive belt runs off
top wheel
Not tracking properly
Refer to “Adjust belt tracking” in operation section
Dust Collection not
working
1. Dust bag full
2. Belt loose or broken
3. Impeller loose or broken
1. Empty dust bag
2. Replace belt
3. Replace impeller
TROUBLESHOOTING
10
