Use and Care Manual
28
English
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
14
Belt too tight. Check belt tension, see Adjusting Belt Tension under
Maintenance.
15
Pulley misalignment. See Motor Pulley/Flywheel Alignment under Maintenance.
16
Pump oil is low. Add synthetic blend, non-detergent air compressor oil to pump.
See Compressor Pump Oil under Maintenance.
17
Detergent type oil being used in pump. Drain oil and refill pump with synthetic blend non-detergent air
compressor oil.
18
Extremely light duty cycles. Run unit for longer duty cycles.
19
Piston rings damaged or worn. Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
20
Cylinder or piston damaged or worn. Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
21
Compressor cylinder finish worn. Contact a DeWALT factory service center or a D
e
WALT authorized
service center.
22
Water in pump oil. Drain oil and refill pump with synthetic blend non-detergent air
compressor oil.
23
Low voltage/motor overload. Check that power supply is adequate and that compressor is
on a dedicated circuit. If compressor is connected to a circuit
protected by a fuse, use time delay fuses.
24
Restricted air passages. Inspect and replace transfer tubes or check valve, as
required.
25
Low voltage motor. Furnish adequate power.
26
Bad check valve. Replace check valve.










