Grizzly G0461, G0460 owner manual Service, Troubleshooting, Motor & Electrical

SECTION 7: SERVICE

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.

Troubleshooting

Motor & Electrical

Symptom		Possible Cause	Possible Solution
Machine does not start or a	1.	Start capacitor is at fault (G0460).	1.	Test/replace if faulty.
breaker trips.	2.	Emergency stop push-button is	2.	Rotate clockwise slightly until it pops out/
		engaged/faulty.		replace it.
	3.	Motor connection wired incorrectly.	3.	Correct motor wiring connections.
	4.	Thermal overload relay has tripped.	4.	Turn cut-out dial to increase working amps
				and push the reset pin. Replace if tripped mul-
				tiple times (weak relay).
	5.	Contactor not getting energized/has	5.	Test for power on all legs and contactor opera-
		burnt contacts.		tion. Replace unit if faulty.
	6.	Power supply switched OFF or is at	6.	Ensure power supply is switch on; ensure
		fault.		power supply has the correct voltage.
	7.	Blade guard limit switch engaged/at	7.	Move blade guard to the working position;
		fault.		replace faulty limit switch.
	8.	Wiring is open/has high resistance.	8.	Check for broken wires or disconnected/cor-
				roded connections, and repair/replace as nec-
				essary.
	9.	Motor is at fault.	9.	Test/repair/replace.
Machine stalls or is underpow-	1.	Workpiece material is not suitable	1.	Only cut wood products; make sure moisture
ered.		for this machine.		content is below 20% and there are no foreign
				materials in the workpiece.
	2.	Feed rate/cutting speed too fast for	2.	Decrease feed rate/cutting speed.
		task.
	3.	Run capacitor is at fault (G0460).	3.	Test/repair/replace.
	4.	Belt(s) slipping.	4.	Replace bad belt(s) as a matched set, align
				pulleys, and re-tension.
	5.	Plug/receptacle is at fault.	5.	Test for good contacts; correct the wiring.
	6.	Motor is wired incorrectly.	6.	Correct motor wiring connections.
	7.	Pulley/sprocket slipping on shaft.	7.	Replace loose pulley/shaft.
	8.	Motor bearings are at fault.	8.	Test by rotating shaft; rotational grinding/loose
				shaft requires bearing replacement.
	9.	Machine is undersized for the task.	9.	Use sharp blade with lower TPI; reduce the
				feed rate/depth of cut.
	10. Motor has overheated.		10. Clean off motor, let cool, and reduce work-
				load.
	11. Contactor not getting energized or		11. Test for power on all legs and contactor opera-
		has poor contacts.		tion. Replace if faulty.
	12. Motor is at fault.		12. Test/repair/replace.
G0460/G0461 12" Sliding Table Saw				-43-