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This section covers the most common problems and corrections with this type of
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Machine does not start or a
breaker trips.
1. Emergency STOP button pushed in.
2. Power supply switched OFF or at
fault.
3. Plug/receptacle at fault/wired
wrong.
4. Motor connection wired wrong.
5. Thermal overload relay has
tripped.
6. Wall circuit breaker tripped.
7. Wiring open/has high resistance.
8. Start capacitor at fault.
9. Spindle switch/ON button at fault.
10. Motor at fault.
1. Twist the STOP button clockwise until it pops out to
reset it.
2. Ensure power supply is ON/has correct voltage.
3. Test for good contacts; correct the wiring.
4. Correct motor wiring connections (Page 46).
5. Reset; adjust trip load dial if necessary; replace.
6. Ensure circuit size is correct/replace weak breaker.
7. Check/fix broken, disconnected, or corroded wires.
8. Test/replace if faulty.
9. Replace.
10. Test/repair/replace.
Machine stalls or seems
underpowered.
1. Workpiece material not suitable for
machine.
2. Machine undersized for task.
3. V-belt slipping.
4. Motor wired incorrectly.
5. Pulley slipping on shaft.
6. Motor bearings at fault.
7. Motor overheated.
8. Spindle switch/ON button at fault.
9. Motor at fault.
1. Only cut wood/ensure moisture is below 20%.
2. Use correct, sharp cutter; reduce feed rate/depth
of cut.
3. Tension/replace V-belt (Page 38).
4. Wire motor correctly (Page 46).
5. Replace loose pulley/shaft.
6. Test/repair/replace.
7. Clean motor, let cool, and reduce workload.
8. Replace.
9. Test/repair/replace.
Machine has vibration or
noisy operation.
1. Motor or component loose or bro-
ken.
2. Cutter at fault.
3. V-belt worn or loose.
4. Motor fan rubbing on fan cover.
5. Spindle at fault.
6. Pulley loose.
7. Machine incorrectly installed.
8. Motor bearings at fault.
1. Inspect/replace damaged bolts/nuts, and re-tight-
en.
2. Replace damaged cutter.
3. Tension/replace V-belt (Page 38).
4. Fix/replace fan cover; replace loose/damaged fan.
5. Tighten loose spindle; replace defective spindle or
spindle cartridge.
6. Realign/replace shaft, pulley, set screw, and key.
7. Tighten mounting bolts; relocate/shim machine.
8. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.