18
PROBLEM
POSSIBLE CAUSE
CORRECTIVE ACTION
The air receiver
pressure drops
when the
compressor shuts
off.
1. The connections are loose or leaking
(fittings, tubing, etc.).
2. The drain valve is loose.
3. The check valve is leaking.
1. Check all the connections with
soapy water and look for bubbles.
Tighten any loose conections until
the leak stops.
2. Tighten the drain valve.
3. Take the compressor to a service
center.
WARNING:
Do not disassemble
check valve while air is in tank.
Empty the all the air out of the tank
before dissasembly.
There is excessive
moisture in the air
discharge.
1. There is excessive water in the air
tank.
2. The humidity is high.
1. Drain the tank to remove water.
2. Move the compressor to an area of
less humidity or use an air line filter
to reduce moisture discharge in the
tank.
Air is leaking from
the compressor.
1. The hose connection is loose or
improperly sealed.
2. The air hose is broken or damaged.
1. Ensure connections are sealed
with thread sealing tape and
tightened.
2. Replace the air hose.
The compressor
runs continuously.
1. The tank drain valve is open.
2. The pressure switch is defective.
3. The usage is excessive.
1. Ensure the tank drain valve is
closed.
2. Take the compressor to a service
center.
3. Decrease the amount of tool
run-time; the compressor is not
large enough to supply the air
requirement of the tool.
The compressor
vibrates.
1. The compressor mounting bolts are
loose.
1. Tighten mounting bolts.
The air output is
lower than normal.
1. The inlet valves are broken.
2. The connections are leaking.
1. Take the compressor to a service
center.
2. Apply thread sealing tape to fitting
and tighten.
TROUBLESHOOTING