Grizzly 1 1/2 HP Cyclone G0703 - Manual (Page 42)

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Model g0703/g0703p (Mfg. Since 3/12)
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. power supply switched oFF or is at fault.
2. Wall fuse/circuit breaker is blown/tripped.
3. handheld remote controller is at fault.
4. remote receiver is at fault.
5. Motor connection wired incorrectly.
6. Machine circuit breaker has tripped.
7. Wiring is open/has high resistance.
8. power switch is at fault.
9. Circuit board is at fault.
10. Motor is at fault.
1. Ensure power supply is switched ON; ensure
power supply has the correct voltage.
2. Ensure circuit size is suitable for this machine;
install inlet restrictor, replace weak breaker.
3. replace batteries in handheld remote controller;
stay in line-of-sight view and signal range.
reprogram remote receiver.
4. inspect receiver circuit board; replace if faulty.
5. Correct motor wiring connections.
6. let motor cool, improve ventilation, press
thermal overload button to reset.
7. Check for broken wires or disconnected/
corroded connections, and repair/replace as
necessary.
8. replace faulty switch.
9. replace circuit board.
10. test/repair/replace.
Machine has
vibration or
noisy operation. 1. Motor or component is loose.
2. Motor mount loose/broken.
3. Motor fan is rubbing on fan cover.
4. Motor bearings are at fault.
1. inspect/replace stripped or damaged bolts/
nuts, and re-tighten with thread locking fluid.
2. tighten/replace.
3. replace dented fan cover; replace loose/
damaged fan.
4. test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.