Numax S3GCOMP Manual page 8

PROBLEM POSSIBLE CAUSE
The pressure switch is
bad.
The Compressor
does not run.
The compressor has
reached automatic shutoff
pressure.
There is low voltage from
the power source.
The wrong gauge wire or
length of extension cord is
The motor hums
being used.
while running
slowly, or it
There is a shorted or open
doesn't run at all.
motor wiring.
There is a defective check
valve or unloader.
The incorrect fuse type is
being used.
The fuses blow or
circuit breaker
trips repeatedly.
The wrong gauge wire or
length of extension cord is
used.
There is a defective check
valve or unloader.
14
MODEL: S3GCOMP
CORRECTIVE ACTION
Bring the compressor
to a service center.
Release the air from
the tank until the
compressor restarts
automatically.
Call an electrician.
Check for proper
gauge wire and cord
length.
Bring the compressor
to a service center.
Bring the compressor
to a service center.
Check for the proper
fuse.
Use a time-delay
fuse. Disconnect
other electrical
appliances from the
circuit or operate the
compressor on its
own branch circuit.
Check for the proper
gauge wire and cord
length.
Bring the compressor
to a service center.
PROBLEM POSSIBLE CAUSE
There is low voltage from
the power source.
There is a lack of proper
The thermal
ventilation, or the room
overload protector
temperature is too high.
cuts out repeatedly.
The wrong gauge wire or
length of extension cord is
being used.
The connections (fittings,
tubing, etc.) are loose and
The air receiver
leaking.
pressure drops
when the
The drain valve is loose or
compressor shuts
open.
off.
The check valve is leaking.
There is excessive water in
the air tank.
There is excessive
The compressor is working
moisture in the
under a high humidity
discharged air.
environment.
The pressure switch is
defective.
The compressor
continuously runs.
An excessive amount of air
is being used.
The inlet valves are broken.
The air output is
The connections (fittings,
lower than normal.
tubing, etc.) are loose and
leaking.
MODEL: S3GCOMP
CORRECTIVE ACTION
Call an electrician.
Move the compressor
to a well ventilated
area.
Check for proper
gauge wire and cord
length.
Check all connections
with a soap and water
solution and tighten.
Tighten the drain
valve.
Bring the compressor
to a service center.
Drain the tank.
Move the compressor
to an area of less
humidity; use an air
line filter.
Bring the compressor
to a service center.
Decrease the air
usage; the compres-
sor is not large enough
for the tool's require-
ment.
Bring the compressor
to a service center.
Tighten the
connections.
15