Grizzly G9922 instruction manual Troubleshooting, Symptom, Possible Cause, Corrective Action

TROUBLESHOOTING

SYMPTOM				POSSIBLE CAUSE					CORRECTIVE ACTION
Motor will not start.				1.	Low voltage.				1.	Check power line for proper voltage.
				2.	Open circuit in motor or				2.	Inspect all lead connections on motor for
					loose connections.					loose or open connections.
Motor	will	not start;		1.	Short circuit in line cord				1.	Inspect cord or plug for damaged insulation
fuses or circuit break-					or plug.					and shorted wires.
ers blow.				2.	Short circuit in motor or				2.	Inspect all connections on motor for loose
					loose connections.					or shorted terminals or worn insulation.
				3.	Incorrect		fuses or circuit		3.	Install correct fuses or circuit breakers.
					breakers in power line.
Motor fails to develop				1.	Power	line		overloaded	1.	Reduce load on power line.
full power (power out-					with	lights,		appliances,
put of motor decreas-					and other motors.
es	rapidly		with	2.	Undersized wires or cir-				2.	Increase wire sizes or reduce length of
decrease in voltage at					cuits too long.					wire.
motor terminals).				3.	General		overloading of		3.	Request a power check from the power
					power		company facili-			company.
					ties.
Motor overheats.				1.	Motor overloaded.				1.	Reduce load on motor.
				2.	Air circulation through the				2.	Clean out motor to provide normal air circu-
					motor restricted.					lation.
Motor stalls (resulting				1.	Short circuit in motor or				1.	Inspect connections on motor for loose or
in blown		fuses	or		loose connections.					shorted terminals or worn insulation.
tripped circuit).				2.	Low voltage.				2	Correct the low voltage conditions.
				3.	Incorrect		fuses or circuit		3.	Install correct fuses or circuit breakers.
					breakers in power line.
				4.	Motor overloaded.				4.	Reduce load on motor.
Machine slows down					Applying too much pres-					Feed workpiece slower.
when operating.					sure to workpiece.

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