Use and Care Manual

ManualsBrandsDEWALT ManualsTools & Hardware30 Gal. Portable Electric Air Compressor

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

eWALT technician

or your dealer.

Problem Code

Excessive air tank pressure-safety valve pops off ...................................................................1

Air leaks ...................................................................................................................................2

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 ......................................... 2, 7, 8, 9, 10, 12, 13

Restricted air intake. ................................................................................................................12

Excessive vibration

...................................................................................................................14, 15

Problem

..........................................................................................................................................Code

Knocking Noise .........................................................................................................................6, 13, 14, 15, 16, 17, 18, 19

Excessive belt wear ..................................................................................................................13,14,16,19,20

Squealing sound ....................................................................................................................... 13

Engine will not run

.................................................................................................................... 21, 22, 23, 34

Pressure reading on the regulated pressure gauge drops when an accessory is used ......24

Regulator knob has continuous air leak..................................................................................25

Regulator will not shut off air outlet ........................................................................................25

Moisture in pump crankcase

...................................................................................................2, 5, 11, 26, 27, 28, 29, 30, 31

Pump will not run ......................................................................................................................32

Air tank pressure will not build ................................................................................................32, 33