Grizzly G0601 owner manual Service, Troubleshooting

SECTION 8: SERVICE

Review the troubleshooting and procedures in this section to fix or adjust the 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.

Troubleshooting

Symptom	Possible Cause		Possible Solution
Machine does	1.	Wall fuse/circuit breaker is blown/tripped.	1.	Ensure circuit size is suitable for this machine;
not start or a				replace weak breaker.
breaker trips.	2.	Power supply switched OFF or is at fault.	2.	Ensure power supply is switched on; ensure
				power supply has the correct voltage.
	3.	Fuse has blown.	3.	Correct short/replace fuse in control box.
	4.	Hand-held remote controller is at fault.	4.	Replace batteries in hand-held remote
				controller; stay in line-of-sight view and signal
				range.
	5.	(G0442) Start capacitor at fault.	5.	Replace start capacitor.
	6.	Receiver is at fault.	6.	Inspect receiver computer board; replace if faulty.
	7.	Motor connection wired incorrectly.	7.	Correct motor wiring connections (Pages 52 & 53).
	8.	Thermal overload relay has tripped.	8.	Turn cut-out dial to increase working amps and
				push the reset pin. Replace if tripped multiple
				times (weak relay).
	9.	Contactor not getting energized/has	9.	Test for power on all legs and contactor
		burnt contacts.		operation. Replace unit if faulty.
	10. Wiring is open/has high resistance.		10. Check for broken wires or disconnected/
				corroded connections, and repair/replace as
				necessary.
	11. Motor start switch or ON/OFF button is		11. Replace faulty ON button or ON/OFF switch.
		at fault.
	12. Circuit board is at fault.		12. Inspect circuit board; replace if faulty.
	13. Motor is at fault.		13. Test/repair/replace.
Machine has	1.	Motor or component is loose.	1.	Inspect/replace stripped or damaged bolts/
vibration or				nuts, and re-tighten with thread locking fluid.
noisy operation.	2.	Machine is incorrectly mounted or sits	2.	Tighten/replace anchor studs in floor; relocate/
		unevenly.		shim machine.
	3.	Motor fan is rubbing on fan cover.	3.	Replace dented fan cover; replace loose/
				damaged fan.
	4.	Motor bearings are at fault.	4.	Test by rotating shaft; rotational grinding/loose
				shaft requires bearing replacement.

Model G0442/G0601 (Mfg Since 8/10) -49-