CODE
POSSIBLE CAUSE
14
Belt too tight.
15
Pulley misalignment.
16
Pump oil is low.
17
Detergent type oil being used in pump.
18
Extremely light duty cycles.
19
Piston rings damaged or worn.
20
Cylinder or piston damaged or worn.
21
Compressor cylinder finish worn.
22
Water in pump oil.
23
Low voltage/motor overload.
24
Restricted air passages.
25
Low voltage motor.
26
Bad check valve.
POSSIBLE SOLUTION
Check belt tension, see Adjusting Belt Tension under
Maintenance.
See Motor Pulley/Flywheel Alignment under Maintenance.
Add synthetic blend, non-detergent air compressor oil to pump.
See Compressor Pump Oil under Maintenance.
Drain oil and refill pump with synthetic blend non-detergent air
compressor oil.
Run unit for longer duty cycles.
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 non-detergent air
compressor oil.
Check 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.
Inspect and replace transfer tubes or check valve, as
required.
Furnish adequate power.
Replace check valve.
28
WALT authorized
e
WALT authorized
e
WALT authorized
e