Section 7: Service; Troubleshooting - Grizzly G0592 Owner's Manual

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
Motor does not 1. Emergency Stop/Off button depressed/at
start, or power
fault.
supply breaker
2. Downfeed limit switch engaged/at fault.
immediately
trips after
3. Machine circuit breaker tripped.
startup.
4. Blown fuse.
5. Incorrect power supply voltage or circuit size.
6. Plug/receptacle at fault/wired incorrectly.
7. Power supply circuit breaker tripped or fuse
blown.
8. Motor wires connected incorrectly.
9. Thermal overload relay has tripped/at fault.
10. Start capacitor at fault.
11. Centrifugal switch adjustment/contact points
at fault.
12. Contactor not energized/at fault.
13. Wiring broken, disconnected, or corroded.
14. Start button or circuit breaker switch at fault.
15. Motor or motor bearings at fault.
Machine 1. Dull blade.
stalls or is
2. Feed rate/cutting speed too fast.
underpowered.
3. Wrong workpiece material.
4. Gearbox at fault.
5. Blade slipping on wheels or not properly
tensioned.
6. Belt slipping/pulleys misaligned.
7. Motor wires connected incorrectly.
8. Plug/receptacle at fault/wired incorrectly.
9. Pulley slipping on shaft.
10. Machine undersized for task.
11. Motor overheated, tripping machine circuit
breaker.
12. Run capacitor at fault.
Model G0592 (Mfd. Since 01/23)

Troubleshooting

Possible Solution
1. Rotate Emergency Stop/Off button head to reset.
Replace if at fault.
2. Raise headstock/adjust downfeed stop bolt and limit
switch (Page 56)/replace switch.
3. Reset circuit breaker.
4. Replace fuse/ensure no shorts.
5. Ensure correct power supply voltage and circuit size
(Page 12).
6. Test for good contacts; correct wiring.
7. Ensure circuit is free of shorts. Reset circuit breaker or
replace fuse.
8. Correct motor wiring connections (Page 61).
9. Reset. Adjust or replace if at fault.
10. Test/replace if at fault.
11. Adjust centrifugal switch/clean contact points. Replace
either if at fault.
12. Test all legs for power; replace if necessary.
13. Fix broken wires or disconnected/corroded
connections (Page 61).
14. Replace button/circuit breaker switch.
15. Replace motor.
1. Sharpen/replace blade (Page 27).
2. Decrease feed rate (Page 34)/cutting speed
(Page 31).
3. Use correct type/size of metal.
4. Replace broken or slipping gears.
5. Adjust blade tracking (Page 54) and tension
(Page 29).
6. Clean/tension/replace belt (Page 59); ensure pulleys
are aligned.
7. Correct motor wiring connections (Page 61).
8. Test for good contacts; correct wiring.
9. Tighten/replace loose pulley/shaft.
10. Use correct, sharp blade; reduce feed rate (Page 34)/
depth of cut; use cutting fluid if possible.
11. Clean motor, let cool, and reduce workload. Reset
breaker.
12. Test/repair/replace.
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