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This section covers the most common problems and corrections with this type of
machine.
Machine does not start or a
breaker trips.
Machine stalls or is under-
powered.
1. Emergency stop push-button is
engaged/faulty.
2. Power supply switched OFF or is at
fault.
3. Blade guard limit switch engaged/
at fault.
4. Motor connection wired incorrect-
ly.
5. Thermal
overload
relay
tripped.
6. Wall fuse/circuit breaker is blown/
tripped.
7. Contactor not getting energized/
has burnt contacts.
8. Wiring is open/has high resistance.
9. Motor ON button or ON/OFF switch
is at fault.
10. Motor is at fault.
1. Feed rate/cutting speed too fast
for task.
2. Workpiece material is not suitable
for this machine.
3. Belt(s) slipping.
4. Motor connection is wired incor-
rectly.
5. Motor bearings are at fault.
6. Start delay module is at fault.
7. Motor is at fault.
1. Rotate clockwise slightly until it pops out/replace
it.
2. Ensure power supply is switch on; ensure power sup-
ply has the correct voltage.
3. Move blade guard to the working position; replace
faulty limit switch.
4. Correct motor wiring connections.
has
5. Turn cut-out dial to increase working amps and push
the reset pin. Replace if tripped multiple times
(weak relay).
6. Ensure circuit size is suitable for this machine;
replace weak breaker.
7. Test for power on all legs and contactor operation.
Replace unit if faulty.
8. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
9. Replace faulty ON button or ON/OFF switch.
10. Test/repair/replace.
1. Decrease feed rate/cutting speed.
2. Only cut wood products; make sure moisture con-
tent is below 20% and there are no foreign materials
in the workpiece.
3. Replace bad belt(s), align pulleys, and re-tension.
4. Correct motor wiring connections.
5. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
6. Adjust to correct delay; replace module.
7. Test/repair/replace.
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