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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.
Machine has vibration or
noisy operation.
Machine is loud when cut-
ting or bogs down in the
cut.
1. Plug/receptacle is at fault or wired
incorrectly.
2. Start capacitor is at fault.
3. Wall fuse/circuit breaker is blown/
tripped.
4. Motor connection wired incorrect-
ly.
5. Power supply is at fault/switched
OFF.
6. Motor ON/OFF switch is at fault.
7. Wiring is open/has high resistance.
8. Motor is at fault.
1. Wrong blade for the workpiece
material.
2. Wrong workpiece material.
3. Feed rate/cutting speed too fast
for task.
4. Blade is slipping on wheels.
5. Low power supply voltage.
6. Motor bearings are at fault.
7. Plug/receptacle is at fault.
8. Motor connection is wired incor-
rectly.
9. Motor has overheated.
10. Motor is at fault.
1. Motor fan is rubbing on fan cover.
2. Blade is at fault.
3. Gearbox is at fault.
4. Wrong blade & too slow of speed.
1. Excessive feed rate.
2. The blade TPI is too great, or the
material is too coarse.
1. Test for good contacts; correct the wiring.
2. Test/replace if faulty.
3. Ensure correct size for machine load; replace weak
breaker.
4. Correct motor wiring connections.
5. Ensure hot lines have correct voltage on all legs and
main power supply is switched ON.
6. Replace faulty ON/OFF switch.
7. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
8. Test/repair/replace.
1. Use blade with correct properties for your type of
cutting.
2. Use metal with correct properties for your type of
cutting.
3. Decrease feed rate/cutting speed.
4. Adjust blade tracking and tension.
5. Ensure hot lines have correct voltage on all legs.
6. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
7. Test for good contacts; correct the wiring.
8. Correct motor wiring connections.
9. Clean off motor, let cool, and reduce workload.
10. Test/repair/replace.
1. Replace dented fan cover; replace loose/damaged
fan.
2. Replace/resharpen blade.
3. Rebuild gearbox for bad gear(s)/bearing(s).
4. Change blade and or speed.
1. Refer to Feed Rate on Page 25, or Blade Speed on
Page 23, and adjust as required.
2. Refer to Blade Selection on Page 24 and adjust as
required.
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