Grizzly G0501 instruction manual Motor Troubleshooting, Symptom Possible Cause Possible Solution

Motor Troubleshooting

Symptom		Possible Cause		Possible Solution
Motor will not start.	1.	Low voltage.	1.	Check power line for proper voltage.
	2.	Open circuit in motor or loose	2.	Inspect all lead connections on motor for loose or open
		connections.		connections.
Motor will not start; fuses or circuit	1.	Short circuit in line cord or plug.	1.	Repair or replace cord or plug for damaged insulation and
breakers blow.	2.		2.	shorted wires.
		Short circuit in motor or loose		Repair or replace all connections on motor for loose or
	3.	connections.	3.	shorted terminals or worn insulation.
		Circuit or motor overloaded.		Reduce amperage load on circuit or motor.
Motor fails to develop full power	1.	Power line overloaded with lights,	1.	Reduce load on power line.
(power output of motor decreases	2.	appliances, and other motors.	2.
rapidly with decrease in voltage at		Undersized wires or circuits too long.		Increase wire sizes or reduce length of wire.
motor terminals).	3.	General overloading of power	3.	Request a power check from the power company.
		company facilities.
Motor overheats.	1.	Motor overloaded.	1.	Reduce load on motor.
	2.	Air circulation through the motor	2.	Clean out motor to provide normal air circulation.
		restricted.
Motor stalls (resulting in blown	1.	Short circuit in motor or loose	1.	Repair or replace connections on motor for loose or short
fuses or tripped circuit).	2.	connections.	2	ed terminals or worn insulation.
		Low voltage.		Correct the low voltage conditions.
	3.	Incorrect fuses or circuit breakers in	3.	Install correct fuses or circuit breakers.
	4.	power line.	4.
		Motor overloaded.		Reduce load on motor.
Main blade runs backwards.	1.	Two of the power wires reversed.	1.	Switch two of the power wires at the terminal strip.
Blade slows when cutting. Blade	1.	V-belt loose.	1.	Tighten V-belt.
makes a squealing noise,	2.	V-belt worn out.	2.	Replace V-belt.
especially on start-up.

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