Use and Care Manual
26
English
CODE POSSIBLE CAUSE POSSIBLE SOLUTION
13
Carbon build-up in pump Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
14
Belt to 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. It is recommended to run at high
throttle 50-75% of the run time and idle for 25% of the run time.
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
Regulator is not adjusted correctly for accessory
being used.
It is normal for some pressure drop to occur when and acces-
sory is used, adjust the regulator as instructed in Regulator under
Features if pressure drop is excessive.
NOTE: Adjust the regulated pressure under flow conditions while
the accessory is being used.