DeWalt DXCMH9919910 Instruction Manual page 27

CODE POSSIBLE CAUSE
20 Cylinder or piston damaged or worn
21 Compressor cylinder finish worn
22 Water in pump oil
23 Low voltage/motor overload
24 Restricted air passages
25 Low voltage motor
Bad check valve
26
27 Seized pump
Oil level too high
28
29 Poor ventilation
30 Dirty cooling surfaces
Too much back pressure in tank.
31
32 Compressor too cold
POSSIBLE SOLUTION
Contact a D WALT factory service center or a D
e
service center.
Contact a D WALT factory service center or a D
e
service center.
Drain oil and refill pump with full synthetic non-detergent air com-
pressor oil.
Check that power supply is adequate and that compressor is
on a dedicated circuit. If using extension cord, try using without.
If compressor is connected to a circut protected by a fuse, use
dual element time delay fuses (Buss Fusetron type "T" only).
Inspect and replace transfer tubes or check valve, as
required.
Furnish adequate powder.
Replace check valve.
Contact a D WALT factory service center or a D
e
service center.
Reduce to proper level. See Compressor Pump Oil under
Maintenance.
Relocate compressor to an area with cool, dry, well circulated
air, at least 12 in. from nearest wall.
Clean all cooling surfaces thoroughly.
Open drain valve when starting motor.
Move compressor to a warmer location.
27
WALT authorized
e
WALT authorized
e
WALT authorized
e