Use and Care Manual
27
English
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
23
Engine or pump oil is low Add D
e
WALT synthetic compressor oil to pump. See Compressor
Pump Oil under Maintenance.
24
It is normal for some pressure drop to occur If there is an excessive amount of pressure drop when the
accessory is used, adjust the regulator as instructed in
Regulator under Features.
NOTE: Adjust the regulated pressure under flow conditions while
accessory is being used.
25
Damaged regulator Replace.
26
Detergent type oil being used in pump Drain oil and refill pump with D
e
WALT synthetic compressor oil.
27
Extremely light duty cycles Run unit for longer duty cycles. It is recommended to run at high
throttle 50-75% of the run time and idle for 25% of the run time.
28
Piston rings damaged or worn Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
29
Cylinder or piston damaged or worn Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
30
Compressor cylinder finish worn Contact a DeWALT factory service center or a D
e
WALT authorized
service center.
31
Water in pump oil Drain oil and refill pump with D
e
WALT synthetic compressor oil.
32
Manual lock unloader lever in open position Rotate manual lock unloader lever to the closed perpendicular
position.
33
Regulator open Rotate the regulator knob counterclockwise to its built-in stop and
push knob in to lock in place.
34
Engine fuel tank empty Add gasoline, see engine's instruction manual for correct
procedure.