Powermatic 60B operating instructions Troubleshooting Mechanical and Electrical Problems

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-
No incoming power.	button is 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 machine to cool
	down before restart. Allow unit to
Overload automatic reset has not	adequately cool before attempting
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
	heavy a cut. The solution is to take a
	lighter cut. If too deep a cut is not the
Jointer frequently trips.	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.
	Verify that jointer is on a circuit of
Building circuit breaker trips or fuse	correct size. If circuit size is correct,
	there is probably a loose electrical
blows.
	lead. 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 separate a starter failure from a
Switch or motor failure (how to	motor failure by first, verifying
	incoming voltage at 220+/-20 and
distinguish).	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
Motor overheated.	proper air circulation. Allow motor to
	cool down before restarting.

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