24
English
Troubleshooting Guide
This section provides a list of the more frequently encountered malfunctions, their causes and corrective actions. The operator or
maintenance personnel can perform some corrective actions, and others may require the assistance of a qualified D
E
WALT technician or
your dealer.
Air leaks
.....................................................................................................................................
1
Air leaks in air tank or at air tank welds
....................................................................................
2
Air leaks between head and valve plate
....................................................................................
3
Air leaks from safety valve
.........................................................................................................
4
Compressor is not supplying enough air to operate accessories
............................................
1, 5, 6, 7, 9, 10
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.