CODE
POSSIBLE CAUSE
23
Engine or pump oil is low
It is normal for some pressure drop to occur
24
25
Damaged regulator
Detergent type oil being used in pump
26
27
Extremely light duty cycles
28
Piston rings damaged or worn
Cylinder or piston damaged or worn
29
Compressor cylinder finish worn
30
Water in pump oil
31
Manual lock unloader lever in open position
32
Regulator open
33
Engine fuel tank empty
34
POSSIBLE SOLUTION
Add synthetic blend compressor oil to pump. See Compressor
Pump Oil under Maintenance.
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.
Replace.
Drain oil and refill pump with synthetic blend compressor oil.
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.
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.
Contact a D
WALT factory service center or a D
e
service center.
Drain oil and refill pump with synthetic blend compressor oil.
Rotate manual lock unloader lever to the closed perpendicular
position.
Rotate the regulator knob counterclockwise to its built-in stop and
push knob in to lock in place.
Add gasoline, see engine's instruction manual for correct
procedure.
27
WALT authorized
e
WALT authorized
e
WALT authorized
e