28
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
compressor 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
Low voltage/motor overload.
C
heck that power supply is adequate and that compressor is
on a dedicated circuit. If compressor is connected to a circuit
protected by a fuse, use time delay fuses.
24
Restricted air passages.
Inspect and replace transfer tubes or check valve, as
required.
25
Low voltage motor.
Furnish adequate power.
26
Bad check valve.
Replace check valve.
