25
English
Restricted air intake.
..................................................................................................................9
Oil in discharge air
.....................................................................................................................
9, 19, 31
Knocking Noise
.........................................................................................................................
4, 10, 11, 12, 13, 14
Excessive belt wear
...................................................................................................................
10, 11, 14, 15
Squealing sound
........................................................................................................................
10
Moisture in pump crankcase
.....................................................................................................
1, 3, 8, 17, 18, 19, 20, 21, 22
Excessive current draw
.............................................................................................................
14, 23, 24
Compressor won’t start in cold temperatures
..........................................................................
17, 31, 32
Compressor stalls
......................................................................................................................
25, 26, 27
Overheating
...............................................................................................................................
24, 30, 31
Troubleshooting Codes
CODE
POSSIBLE CAUSE
POSSIBLE SOLUTION
1
Fittings are not tight
Tighten fittings where air can be heard escaping. Check fittings
with soapy water solution. DO NOT OVERTIGHTEN.
2
Defective air tank
Air tank must be replaced. Do not repair the leak.
WARNING:
Risk of bursting. Do not drill into, weld or otherwise
modify air tank or it will weaken. The air tank can rupture or
explode.
3
Leaking seals
Contact a D
e
WALT factory service center or a D
e
WALT authorized
service center.
4
Defective safety valve
Operate safety valve manually by pulling on ring. If valve still
leaks, it must be replaced.
5
Prolonged excessive use of air
Decrease amount of air usage.