Porter-Cable C3150 instruction manual Check wiring connection

PROBLEM	CAUSE	CORRECTION
Regulator will	Damaged regulator.	Replace.
not shut off air
outlet.
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.
	Extension cord is wrong	Check for proper gauge wire
	length or gauge.	and cord length.
	Check valve stuck open.	Remove and clean, or
		replace.
	Loose electrical connections.	Check wiring connection
		inside pressure switch and
		terminal box area.
	Possible defective motor or	Have checked by a Trained
	starting capacitor.	Service Technician.
	Paint spray on internal motor	Have checked by a Trained
	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
	unloaded head pressure.	to 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.

21- ENG D28299