DeWalt D55150 Instruction Manual page 17

Code Possible Cause Possible Solution
23
25
Pressure relief valve on pressure switch has
not unloaded )ressure.
Pressure switch does not shut off motor when
air compressor reaches "cut-out" pressure.
Drain tanks. If problem persists,
contact DEWALT customer service at 1-800-4-DEWALT.
Move the pressure switch to the OFF position.
If the motor does not shut off, unplug the air compressor. If the
electrical contacts are welded together, replace the pressure
switch.
27 Defective switch. Re 3ressure switch.
31
Fittings not tight enough. Warning: Drain air before tightening. Tighten fittings so air can
not be heard escaping. Check joint with soap solution. Do not
33 Pressure regulator knob not turned to high enough Adjust pressure regulator knob to proper setting or replace.
35 Possible defective reed valve.
Remove pump head and inspect valve plate and reed valve.
Clear or valves uired.
41 Compressor located in damp or humid location. Relocate the compressor.
13