Craftsman 919.72458 owner manual Problem Cause Correction

PROBLEM	CAUSE	CORRECTION
Motor will not	Motor overload protection	Let motor cool off and
run.	switch has tripped.	overload switch will
		automatically reset.
	Tank pressure exceeds	Motor will start automatically
	pressure switch "cut-in"	when tank pressure drops
	pressure.	below "cut-in" pressure of
		pressure switch.
	Check valve stuck open.	Remove and clean, or replace.
	Loose electrical	Check wiring connection
	connections.	inside pressure switch and
		terminal box area.
	Possible defective motor	Have checked by a Trained
	or starting capacitor.	Service Technician.
	Paint spray on internal	Have checked by a Trained
	motor parts.	Service Technician. Do not
		operate the compressor in the
		paint spray area. See
		flammable vapor warning.
	Pressure release valve on	Bleed the line by pushing the
	pressure switch has not	lever on the pressure switch to
	unloaded head pressure.	the "off" position; if the valve
		does not open, replace switch.
	Fuse blown, circuit breaker	1. Check fuse box for blown
	tripped.	fuse and replace as
		necessary. Reset circuit
		breaker. Do not use a fuse
		or circuit breaker with
		higher rating than that
		specified for your
		particular branch circuit.
		2. Check for proper fuse. You
		should use a time delay
		fuse.
		3. Check for low voltage
		conditions and/or proper
		extension cord.
		4. Disconnect the other
		electrical appliances from
		circuit or operate the
		compressor on its own
		branch circuit.
Knocking Noise.	Possible defect in safety	Operate safety valve manually
	valve.	by pulling on ring. If valve still
		leaks, it should be replaced.
	Defective check valve.	Remove and clean, or replace.

21- ENG D24456