-42-
Model G0621X (Mfd. Since 07/17)
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. OFF button has not been reset.
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.
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.
Machine stalls or
is underpowered.
1. Feed rate/cutting speed too fast for task.
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.
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.
Machine has
vibration or noisy
operation.
1. Motor or component is loose.
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.
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.
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