Grizzly G0690 - Manual (Page 65)

Model g0690/g0691 (Mfg. 11/10+)
-63-
SECTION 8: SERVICE
Troubleshooting
symptom possible Cause possible solution
Machine does not
start or a breaker
trips. 1. locking pin installed.
2. Blown fuse.
3. power supply switched oFF or at fault.
4. plug/receptacle at fault/wired wrong.
5. Motor connection wired wrong.
6. Wall circuit breaker tripped.
7. Wiring open/has high resistance.
8. Motor oN/oFF switch at fault.
9. start capacitor at fault.
10. Motor at fault. 1. remove locking pin from oN button.
2. replace fuse/ensure no shorts.
3. Ensure power supply is on/has correct voltage.
4. test for good contacts; correct the wiring.
5. Correct motor wiring connections.
6. Ensure circuit size is correct/replace weak breaker.
7. Check/fix broken, disconnected, or corroded wires.
8. replace switch.
9. test/replace if faulty.
10. test/repair/replace.
Machine stalls or is
underpowered. 1. Feed rate/cutting speed too fast.
2. Workpiece material unsuitable for machine.
3. Workpiece crooked; fence mis-adjusted.
4. Machine undersized for task.
5. run capacitor at fault.
6. Belt slipping.
7. Motor wired incorrectly.
8. plug/receptacle at fault.
9. pulley/sprocket slipping on shaft.
10. Motor bearings at fault.
11. Contactor not energized/has poor contacts.
12. Motor overheated.
13. Motor at fault. 1. decrease feed rate/cutting speed.
2. only cut wood/ensure moisture is below 20%.
3. straighten or replace workpiece/adjust fence.
4. use correct blade/reduce feed rate or depth of cut.
5. test/repair/replace.
6. tension/replace belt (
page 73).
7. Wire motor correctly.
8. test for good contacts/correct wiring.
9. replace loose pulley/shaft.
10. test/repair/replace.
11. test all legs for power/replace if faulty.
12. Clean motor, let cool, and reduce workload.
13. test/repair/replace.
Machine has
vibration or noisy
operation.
1. Motor or component loose.
2. Blade at fault.
3. Belts worn or loose.
4. pulley loose.
5. Motor mount loose/broken.
6. Machine incorrectly mounted.
7. arbor pulley loose.
8. Motor fan rubbing on fan cover.
9. arbor bearings at fault.
10. Motor bearings at fault.
1. inspect/replace damaged bolts/nuts, and re-tighten
with thread locking fluid.
2. replace warped/bent blade; resharpen dull blade.
3. tension/replace belts (
page 73).
4. realign/replace shaft, pulley, setscrew, and key.
5. tighten/replace.
6. tighten mounting bolts; relocate/shim machine.
7. retighten/replace arbor pulley.
8. Fix/replace fan cover; replace loose/damaged fan.
9. replace arbor housing bearings; replace arbor.
10. test by rotating shaft; grinding/loose shaft requires
bearing replacement.
troubleshooting
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Note:Please gather the serial number and manufacture date of your machine before calling.