Grizzly Model G0638 - Manual (Page 43)

G0637/G0638 Cyclone Dust Collector
-41-
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 8: SERVICE
Troubleshooting
Motor & Electrical
Symptom Possible Cause Possible Solution
Machine does not
start or a breaker
trips. 1. Fuse has blown.
2. Emergency stop push-button is engaged/
faulty.
3. Hand-held remote controller is at fault.
4. Receiver is at fault.
5. Motor connection wired incorrectly.
6. Wall fuse/circuit breaker is blown/tripped.
7. Thermal overload relay has tripped.
8. Contactor not getting energized/has burnt
contacts.
9. Power supply switched OFF or is at fault.
10. Wiring is open/has high resistance.
11. Motor ON button or ON/OFF switch is at
fault.
12. Emergency stop push-panel is stuck/switch
is at fault.
13. Transformer is at fault.
14. Computer board is at fault.
15. Inverter/control box is at fault.
16. Motor is at fault.
17. Start delay module is at fault.
1. Correct short/replace fuse in control box.
2. Rotate clockwise slightly until it pops out/replace it.
3. Replace batteries in hand-held remote controller;
stay in line-of-sight view and signal range.
4. Inspect receiver computer board; replace if faulty.
5. Correct motor wiring connections (
Pages 46 & 49).
6. Ensure circuit size is suitable for this machine;
replace weak breaker.
7. Turn cut-out dial to increase working amps and push
the reset pin. Replace if tripped multiple times (weak
relay).
8. Test for power on all legs and contactor operation.
Replace unit if faulty.
9. Ensure power supply is switched on; ensure power
supply has the correct voltage.
10. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
11. Replace faulty ON button or ON/OFF switch.
12. Free push-panel from binding; replace faulty switch.
13. Replace transformer. Refer to Page 12 for more
detail information.
14. Inspect computer board; replace if faulty.
15. Inspect inverter/control box; replace if faulty.
16. Test/repair/replace.
17. Adjust to correct delay; replace module.
Machine has vibra-
tion or noisy opera-
tion. 1. Motor or component is loose.
2. Motor mount loose/broken.
3. Machine is incorrectly mounted or sits
unevenly.
4. Motor fan is rubbing on fan cover.
5. Motor bearings are at fault.
1. Inspect/replace stripped or damaged bolts/nuts, and
re-tighten with thread locking fluid.
2. Tighten/replace.
3. Tighten/replace anchor studs in floor; relocate/shim
machine.
4. Replace dented fan cover; replace loose/damaged
fan.
5. Test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
Troubleshooting