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 D
e
WALT 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.