TROUBLESHOOTING GUIDE (Continued)
PROBLEM CAUSE CORRECTION
Air leak from safety valve Possible defect in safety valve Operate safety valve manually by pulling on ring If
valve still leaks, it should be replaced.
Knocking Noise Remove and clean, or replace.
Decrease amount of air usageCompressor is not supplying
enough air to operate accesso-
ries.
Motor will not run
Defective check valve.
Prolonged excessive use of air.
Compressor is not large enough for air
requirement,
Restricted air intake filter.
Hole in hose.
Check valve restricted.
Air leaks.
Motor overload protection switch has
tripped,
Tank pressure exceeds pressure
switch "cut-in" pressure.
Wrong gauge wire or length of exten-
sion cord.
Check valve stuck open
Loose electrical connections
Possible defective capacitor.
Paint spray on internal motor parts
Possible defective motor.
Fuse blown, circuit breaker tripped.
Pressure release valve on pressure
switch has not unloaded head pres-
sure.
Check the accessory air requirement. If it is higher
than the SCFM or pressure supplied by your air
compressor, you need a larger compressor.
Clean or replace air intake filter. Do not operate the
air compressor in the paint spray area.
Check and replace if required.
Remove and clean, or replace.
Tighten fittings. (See Air Leaks Section of Trou-
bleshooting Guide.)
Let motor cool off and overload switch will automati-
cally reset.
Motor will start automatically when tank pressure
drops below "cut-in" pressure of pressure switch.
Check for proper gauge wire and cord length.
Remove and clean, or replace.
Check wiring connection inside pressure switch and
terminal box area.
Return to an Authorized Warranty Service Center for
inspection or replacement, if necessary.
Have checked at an Authorized Warranty Service
Center. Do not operate the compressor in the paint
spray area. See flammable vapor warning.
Have checked at an Authorized Warranty Service
Center.
1. Check fuse box for blown fuse and replace, if
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; only "Fusetron" type T
fuses are acceptable.
3. Check for low voltage conditions and/or proper
extension cord.
4. Disconnect the other electrical appliances from
circuit or operate the compressor in its own
branch circuit.
Bleed the line by pushing the lever on the pressure
switch to the "off" position; if the valve does not open,
replace it.
Regulator knob continuous air Dirty or damaged regulator internal Clean or replace regulator, or internal parts
leak Regulator will not shut off )arts.
at air outlet
11
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