20
20
TROUBLESHOOTING
TROUBLE
CAUSES
CORRECTION
Motor does not run when
power switch is turned
“ON”.
Switch is burned out.
Connection wire is loose or
damaged.
Replace the switch.
Tighten or replace the wire.
Motor does not run at full
speed.
Power voltage is too low.
2. Motor is damaged.
Test voltage.
Check and repair motor.
Motor does not reach full
power.
Incorrect power wiring.
Overload.
Replace with the correct size
power wiring.
Reduce sanding load.
Motor overheating
Motor is dirty.
Motor is damaged.
Clean motor.
Check and repair motor.
Excessive machine
vibration
Machine is incorrectly leveled.
Adjust machine leveling
Mark on workpiece
Sanding drum is damaged.
Sanding cloth on drum is worn in
some areas.
Replace the sanding drum.
Replace sanding cloth
Sanding drum turns in
wrong direction
Wrong phase or voltage
Make sure the phase and voltage
comply with machine
requirement.
Burns on workpiece
Wrong abrasive grit on sanding
cloth
Use coarser grit to remove more
material from workpiece.
WARNING:
Make sure the electrical disconnect is OFF before working on
the machine.
Summary of Contents for OS-1414
Page 23: ...21 21 PARTS DIAGRAM 1 ...
Page 24: ...22 22 PARTS DIAGRAM 2 ...