G0677 24" Planer/Sander
-39-
Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical
Support at (570) 546-9663.
SECTION 7: SERVICE
Troubleshooting
Motor & Electrical
Symptom
Possible Cause
Possible Solution
Machine does not
start or a breaker
trips.
1. Front or rear stop push-button engaged.
2. Sanding belt position limit switch engaged/
at fault.
3. Sanding belt tension limit switch engaged/at
fault.
4. Electrical box or access door open/safety
switch engaged.
5. Blown fuse.
6. Power supply switched OFF or at fault.
7. Motor connection wired wrong.
8. Thermal overload relay has tripped.
9. Wall circuit breaker tripped.
10. Contactor not energized/has poor contacts.
11. Wiring open/has high resistance.
12. Motor ON/OFF switch at fault.
13. Front or rear stop switch stuck/at fault.
14. Motor at fault.
15. Depth of cut too much.
1. Rotate button to reset/replace it.
2. Correct sanding belt oscillation (
Page 44
); replace
faulty switch.
3. Turn on air pressure/tension sanding belt (
Page 19
);
reposition/replace limit switch (
Page 58
).
4. Close door/replace safety switch.
5. Replace fuse/ensure no shorts.
6. Ensure power supply is on/has correct voltage.
7. Correct motor wiring connections.
8. Reset; adjust trip load dial if necessary; replace.
9. Ensure circuit size is correct/replace weak breaker.
10. Test all legs for power/replace if at fault.
11. Check/fix broken, disconnected, or corroded wires.
12. Replace switch.
13. Free stuck switch/replace.
14. Test/repair/replace.
15. Reduce depth of cut.
Machine stalls or is
underpowered.
1. Feed rate/cutting speed too fast for task.
2. Workpiece material is not suitable for this
machine.
3. V-belt slipping.
4. Motor connection is wired incorrectly.
5. Motor bearings are at fault.
6. Contactor not getting energized or has poor
contacts.
7. Motor has overheated.
8. Motor is at fault.
1. Decrease feed rate/cutting speed.
2. Only cut wood products; make sure moisture content
is below 20% and there are no foreign materials in
the workpiece.
3. Replace bad belt, align pulleys, and re-tension.
4. Correct motor wiring connections.
5. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
6. Test for power on all legs and contactor operation.
Replace if faulty.
7. Clean off motor, let cool, and reduce workload.
8. Test/repair/replace.
Machine
has
vibration or noisy
operation.
1. Motor or component is loose.
2. Inserts are at fault.
3. V-belt worn or loose.
4. Pulley is loose.
5. Motor mount loose/broken.
6. Test by rotating shaft; rotational grinding/
loose shaft requires bearing replacement.
7. Feed belt gear box at fault.
1. Inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. Rotate or replace inserts causing problem.
3. Inspect/replace belt with a new one (
Page 52).
4. Realign/replace shaft, pulley, setscrew, & key.
5. Tighten/replace.
6. Motor bearings at fault.
7. Rebuild gear box for bad gear(s)/bearing(s).
