Product Manual
27
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 full synthetic, 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 full synthetic non-detergent air com-
pressor 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 full synthetic 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.
24
Damaged regulator. Replace
25
Regulator open. Rotate the regulator knob counter-clockwise to its built-in stop.