With the regulator
turned to Max.
Do you have 32psi?
395 FinishPro
Air Compressor runs but will not build pressure.
Air Solenoid (N/O).
Closed when the compressor is on.
Open when compressor is off.
With the solenoid open, the air
pressure will exhaust and allow
the compressor to start.
Exhaust Port
Air Hose
Connection
32psi. Pressure
Relief Valve.
The valve will open when the
compressor builds over 32psi.
This is a normal function.
GAUGE
REGULATOR
Is there air coming
out of the air
Pressure
Relief Valve?
YES
Repair or replace
Pressure
Relief Valve?
Replace the
Air Regulator
NO
YES
YES
Connect a test air gauge
to the air hose connector.
Start the compressor.
NO
Replace the
compressor.
Is the compressor
trying to start?
(Humming)
NO
YES
Have the steps been
followed in the
(Air Compressor will
not start) section?
See (Air Compressor will
not start) section?
Disconnect the air hose
from the air solenoid.
Turn the compressor on.
Dose the compressor start.
YES
YES
The compressor is ok.
NO
Is there air coming
out of the air
solenoid exhaust?
Repair or replace
the air compressor.
Repair or replace
the air solenoid.
NO
NO
With the compressor on.
Regulator turned half way.
Is there air coming
out of the air
Pressure Relief Valve?
YES
NO
Repair or replace
the air solenoid.
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