CODE
POSSIBLE CAUSE
13
Carbon build-up in pump
14
Belt to tight
15
Pulley misalignment
Pump oil is low
16
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
Compressor cylinder finish worn
21
Water in pump oil
22
Low voltage/motor overload
23
Restricted air passages
24
POSSIBLE SOLUTION
Contact a D
WALT factory service center or a D
e
service center.
Check belt tension, see Adjusting Belt Tension under
Maintenance.
See Motor Pulley/Flywheel Alignment under Maintenance.
Add full synthetic, non-detergent air compressor oil to pump. See
Compressor Pump Oil under Maintenance.
Drain oil and refill pump with full synthetic non-detergent air com-
pressor oil.
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.
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 full synthetic non-detergent air com-
pressor oil.
Check that power supply is adequate and that compressor is
on a dedicated circuit. If using extension cord, try using without.
If compressor is connected to a circut protected by a fuse, use
dual element time delay fuses (Buss Fusetron type "T" only).
Inspect and replace transfer tubes or check valve, as
required.
26
WALT authorized
e
WALT authorized
e
WALT authorized
e
WALT authorized
e