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SEcTiON 7: SERvicE
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.
Motor & Electrical
symptom
possible Cause
Machine does not
1. oFF button has not been reset.
start or a breaker
trips.
2. plug/receptacle is at fault or wired incorrectly.
3. Motor connection wired incorrectly.
4. Wall fuse/circuit breaker is blown/tripped.
5. power supply switched oFF or is at fault.
6. Wiring is open/has high resistance.
7. Motor on button or on/oFF switch is at fault.
8. inverter/Controller box is at fault.
9. Motor is at fault.
Machine stalls or
1. Feed rate/cutting speed too fast for task.
is underpowered.
2. Machine is undersized for the task.
3. Blade is slipping on wheels.
4. Motor connection is wired incorrectly.
5. plug/receptacle is at fault.
6. pulley/sprocket slipping on shaft.
7. Motor is at fault.
Machine
has
1. Motor or component is loose.
vibration or noisy
operation.
2. Blade weld is at fault or teeth are broken.
3. Blade is at fault.
4. V-belt worn or loose.
5. pulley is loose.
6. Motor mount loose/broken.
7. Machine is incorrectly mounted or sits uneven-
ly.
8. Motor fan is rubbing on fan cover.
9. Motor bearings are at fault.
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Troubleshooting
possible solution
1. lift paddle and press oFF button down completely
until it clicks.
2. test for good contacts; correct the wiring.
3. Correct motor wiring connections.
4. Ensure circuit size is suitable for this machine;
replace weak breaker.
5. Ensure power supply is switch on; ensure power
supply has the correct voltage.
6. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
7. replace faulty on button or on/oFF switch.
8. inspect inverter/controller box; replace if faulty.
9. test/repair/replace.
1. decrease feed rate/cutting speed.
2. Use sharp blade with lower tpi; reduce the feed
rate/depth of cut.
3. Adjust blade tracking and tension to factory specifi-
cations.
4. Correct motor wiring connections.
5. test for good contacts; correct the wiring.
6. replace loose pulley/shaft.
7. test/repair/replace.
1. inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. replace blade.
3. replace warped, bent, or twisted blade; resharpen
dull blade.
4. inspect/replace belt.
5. realign/replace shaft, pulley, setscrew, and key as
required.
6. tighten/replace.
7. tighten/replace anchor studs in floor; relocate/shim
machine.
8. replace dented fan cover; replace loose/damaged
fan.
9. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Model g0621 (Mfg. since 10/06)
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