Powermatic 60C, 60HH Troubleshooting Mechanical and Electrical Problems, Probable Cause Remedy

Troubleshooting – Mechanical and Electrical Problems

Trouble

Machine will not start/restart or repeatedly trips circuit breaker or blows fuses.

Probable Cause	Remedy
	Verify unit is connected to power, on-button is
No incoming power.	pushed in completely, and stop-button is
	disengaged.
	When jointer overloads on the circuit breaker
	built into the motor starter, it takes time for the
Overload automatic reset has	machine to cool down before restart. Allow
	unit to adequately cool before attempting
not reset.	restart. If problem persists, check amp setting
	on the motor starter inside the electrical
	enclosure – it should match the amps on the
	motor as indicated on the motor plate.
	One cause of overloading trips which are not
	electrical in nature is too deep of a cut. The
	solution is to take a lighter cut. If too deep a
Jointer frequently trips.	cut is not the problem, then check the amp
	setting on the overload relay. Match the full
	load amps on the motor as noted on the
	motor plate. If amp setting is correct then
	there is probably a loose electrical lead.
Building circuit breaker trips	Verify that jointer is on a circuit of correct size.
	If circuit size is correct, there is probably a
or fuse blows.	loose electrical lead. Also check amp setting
	on motor starter.
	Examine motor starter for burned or failed
	components. If damage is found, replace
	starter. If no visible damage found, have
	starter tested.
	If you have access to a voltmeter, you can
Switch or motor failure (how	separate a starter failure from a motor failure
	by first, verifying incoming voltage at 220+/-20
to distinguish).	and second, checking the voltage between
	starter and motor at 220+/-20. If incoming
	voltage is incorrect, you have a power supply
	problem. If voltage between starter and motor
	is incorrect, you have a starter problem. If
	voltage between starter and motor is correct,
	you have a motor problem.
	Clean motor of dust or debris to allow proper
Motor overheated.	air circulation. Allow motor to cool down
	before restarting.
	If electric motor is suspect, have it tested by
Motor failure.	qualified service personnel. Repair or replace
	as needed.
	Double check to confirm all electrical
Electrical leads are attached	connections are correct. Refer to appropriate
	wiring diagrams posted on the machine and
incorrectly.
	at the back of this manual, to make any
	needed corrections.

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