Powermatic operating instructions Troubleshooting the DT45, Probable Cause Remedy

Troubleshooting the DT45

Trouble

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

Probable Cause	Remedy
Machine not plugged in.	Verify machine is connected to power.
Fuse blown, or circuit	Replace fuse, or reset circuit breaker.
breaker tripped.
Cord damaged.	Replace cord.
	If the Dovetailer overloads on the circuit breaker
	built in to the motor starter, it takes time for the
Overload automatic reset	machine to cool down before restart. Allow unit to
has not reset.	adquately cool before attempting restart. If problem
	persists, check amp setting on the motor starter
	inside the electrical box.
	Check the amp setting on the overload relay.
	Match the full load amps on the motor as noted on
Dovetailer frequently trips.	the motor plate. If amp setting is correct then there
	is probably a loose electrical lead or a failed
	component. See below.
Building circuit breaker trips	Verify that dovetailer is on a circuit of correct size.
	If circuit size is correct, there is probably a loose
or fuse blows.
	electrical lead. Check amp setting on motor starter.
	Go through all of the electrical connections on the
Loose electrical	dovetailer including motor connections, verifying
	the tightness of each. Look for any signs of
connections.
	electrical arcing which is a sure indicator of loose
	connection or circuit overload.
	If you have access to a voltmeter, you can
	separate a starter failure from a motor failure by
	first, verifying incoming voltage at 220+/-20 and
	second, checking the voltage between starter and
Motor starter failure.	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.
	If electric motor is suspect, you have two options:
	Have a qualified electrician test the motor for
Motor failure.	function or remove the motor and take it to a
	qualified electric motor repair shop and have it
	tested.
	Check to make certain all electrical connections
	are correct and properly tight. The electrical
	connections other than the motor are
Miswiring of the unit.	preassembled and tested at the factory. Therefore,
	the motor connections should be checked as the
	highest probability for error. If problems persist,
	double check the factory wiring.

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