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21- ENG
D28299
Regulator will
not shut off air
outlet.
Damaged regulator.
Replace.
PROBLEM
CAUSE
CORRECTION
Motor will not
run.
Fuse blown, circuit breaker
tripped.
1.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.
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.
Motor overload protection
switch has tripped.
Let motor cool off and
overload switch will
automatically reset.
Tank pressure exceeds
pressure switch “cut-in”
pressure.
Motor will start automatically
when tank pressure drops
below “cut-in” pressure of
pressure switch.
Extension cord is wrong
length or gauge.
Check for proper gauge wire
and cord length.
Loose electrical connections. Check wiring connection
inside pressure switch and
terminal box area.
Have checked by a Trained
Service Technician.
Check valve stuck open.
Remove and clean, or
replace.
Possible defective motor or
starting capacitor.
Have checked by a Trained
Service Technician. Do not
operate the compressor in
the paint spray area. See
flammable vapor warning.
Paint spray on internal motor
parts.
Bleed the line by pushing the
lever on the pressure switch
to the “off” position; if the
valve does not open, replace
switch.
Pressure release valve on
pressure switch has not
unloaded head pressure.