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SECTION 7: SERVICE
Review the troubleshooting procedures in this section if a problem develops with your machine. If you need
replacement parts or additional help with a procedure, call our Technical Support. Note: Please gather the
serial number and manufacture date of your machine before calling.
Motor & Electrical
Symptom
Possible Cause
Machine does not
1. Switch disabling key removed.
start or a breaker
2. Incorrect power supply voltage/circuit size.
trips immediately
3. Power supply circuit breaker tripped/fuse
after startup.
blown.
4. Motor wires connected incorrectly.
5. Wiring open/has high resistance.
6. ON/OFF switch at fault.
7. Centrifugal switch at fault.
8. Start capacitor at fault.
9. Motor at fault.
Machine stalls or is
1. Workpiece material not suitable.
underpowered.
2. Excessive feed rate.
3. Excessive cutting depth.
4. Dull knives/inserts.
5. Dust collection problem, causing internal
components to clog up with shavings.
6. Belt slipping; oil/grease on belt.
7. Pulley loose or not properly aligned.
8. Motor overheated.
9. Motor wires connected incorrectly.
Machine has
1. Motor or other component loose.
vibration or noisy
operation.
2. Belt worn/loose; belt slapping cover.
3. Pulley loose or not properly aligned.
4. Motor fan rubbing on fan cover.
5. Foot-pedal caster engaged.
6. Dull knives/inserts.
7. Cutterhead bearings at fault.
8. Centrifugal switch at fault.
9. Motor bearings at fault.
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Troubleshooting
Possible Solution
1. Install switch disabling key.
2. Ensure correct power supply voltage/circuit size.
3. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
4. Correct motor wiring connections (Page 59).
5. Check/fix broken, disconnected, or corroded wires.
6. Test/replace switch.
7. Adjust/replace centrifugal switch if available.
8. Test/replace capacitor.
9. Test/repair/replace.
1. Ensure workpiece is suitable for jointing (Page 34).
2. Reduce feed rate.
3. Reduce cutting depth (Page 35).
4. Sharpen/replace knives (Page 48); rotate/replace
inserts (Page 50).
5. Clear blockages; move machine closer to dust
collector; upgrade dust collector.
6. Tension/replace belt (Page 55); clean belt; ensure
pulleys are aligned (Page 56).
7. Re-align pulleys (Page 56); replace shaft key;
tighten pulley set screw(s).
8. Clean motor, let cool, and reduce depth of cut.
9. Correct motor wiring connections (Page 59).
1. Replace damaged bolts/nuts; retighten loose bolts/
nuts. Use thread-locking fluid if condition repeats.
2. Tension/replace belt (Page 55).
3. Re-align pulleys (Page 56); replace shaft key;
tighten pulley set screw(s).
4. Fix/replace fan cover; replace loose/damaged fan.
5. Release foot-pedal caster to stabilize machine.
6. Sharpen/replace knives (Page 48); rotate/replace
inserts (Page 50); set knife/insert alignment/height
correctly (Pages 48 & 50).
7. Replace bearing(s)/realign cutterhead.
8. Replace.
9. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Model G0813/G0814/G0814X (Mfd. Since 10/19)
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