Section 7: Service; Troubleshooting - Grizzly G0798 Owner's Manual

SECTION 7: SERVICE

Review the troubleshooting and 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. Plug/receptacle at fault/wired wrong.
start or a fuse/
2. Switch disabling key removed.
breaker trips.
3. Incorrect power supply voltage or circuit
size.
4. Power supply circuit breaker tripped or fuse
blown.
5. ON/OFF switch at fault.
6. Start capacitor at fault.
7. Motor at fault.
Machine stalls or is 1. Filter element at fault.
underpowered.
2. Motor wired incorrectly.
3. Motor overheated.
4. Run capacitor at fault.
Machine has 1. Motor or component loose.
vibration or noisy
operation.
2. Motor mount loose/broken.
3. Motor bearings at fault.
Operations
Symptom Possible Cause
Downdraft table 1. Dust collection drawer is full.
does not adequately
2. Filter is dirty.
collect dust; poor
performance.
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Troubleshooting

Possible Solution
1. Test for good contacts; correct the wiring.
2. Install switch disabling key.
3. Ensure correct power supply voltage and circuit
size.
4. Ensure circuit is sized correctly and free of shorts.
Reset circuit breaker or replace fuse.
5. Replace switch.
6. Test/replace.
7. Test/repair/replace.
1. Filter element at fault.
2. Motor wired incorrectly.
3. Motor overheated.
4. Run capacitor at fault.
1. Inspect/replace damaged bolts/nuts, and retighten
with thread locking fluid.
2. Tighten/replace.
3. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Possible Solution
1. Empty collection drawers.
2. Knock dust off filter; replace with new filter.
Model G0798 (Mfd. Since 4/17)