Powermatic PM15 operating instructions Trouble, Probable Cause Remedy

Troubleshooting: Mechanical and Electrical Problems

Trouble

Uneven depth of cut side-to-side

Table adjustment difficult

Board thickness does not match depth of cut scale

Chain jumping

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

Probable Cause	Remedy
Knife projection incorrect.	Adjust height of knives (see page 9).
Cutterhead not level with bed.	Level bed (see page 14).
Corner screw too tight.	Adjust corner screws.
Depth of cut scale incorrectly set.	Adjust depth of cut scale (see page
	11).
Inadequate tension.	Adjust chain tension.
Springs on feed rollers compressed	Adjust roller height/spring tension to
	allow more movement of spring (see
too tightly.
	pages 12-13).
Sprockets are misaligned.	Align sprockets.
Sprockets worn.	Replace sprockets.
Unit not plugged in.	Verify unit is connected to power.
Hood not in down position.	Place hood in down position to
	engage interlock switch.
	Check to determine if switch is
	actuating by listening for the audible
	click as hood is closed. If you don’t
	hear the click, the switch is out of
Interlock switch not activating.	adjustment. First make certain the
	hood hinge screws are tight and that
	the switch is aligned to the hood
	panel and tight. If you still don’t get a
	click, then adjust the interlock switch
	position.
	When planer overloads on the circuit
	breaker built into the motor starter, it
	takes time for the machine to cool
Overload automatic re-set has not	down before restart. Allow unit to
engaged.	adequately cool before attempting
	restart. If problem persists, check
	amp setting on the motor starter
	inside the electrical box.

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