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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.
Problem
Code
Excessive air tank pressure-safety valve pops off ......................................................................1
Air leaks ....................................................................................................................................
Continuous air leak at unloader valve. ....................................................................................... 3
Air leaks in air tank or at air tank welds .................................................................................... 4
Air leaks between head and valve plate .................................................................................... 5
Air leaks from safety valve ......................................................................................................... 6
Compressor is not supplying enough air to operate accessories.............................................. ,7,8,9,10,1
Restricted air intake. .................................................................................................................. 1
Excessive vibration .................................................................................................................... 13,9
Knocking Noise .......................................................................................................................... 6,13,14,15,17,9
Engine will not run ..................................................................................................................... 16,17,8
Pressure reading on the regulated pressure gauge drops when an accessory is used ........... 18
Regulator knob has continuous air leak .................................................................................... 19
Regulator will not shut off air outlet ........................................................................................... 19
Moisture in pump crankcase ...................................................................................................... ,5,11,0,1,,3,4,5
Pump will not run ....................................................................................................................... 6
Air tank pressure will not build ................................................................................................... 6,7