Porter-Cable C5101 Instruction Manual page 22

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