Troubleshooting Guide - DeWalt D55168 Instruction Manual

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 DEWALT technician or your dealer.
Problem Code
Excessive air tank pressure-safety valve pops off ...................................................................... 1,2
Air leaks .................................................................................................................................... 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
Knocking Noise .......................................................................................................................... 6
Pressure reading on the regulated pressure gauge drops when an accessory is used ........... 7
Compressor is not supplying enough air to operate accessories .............................................. 8,9,10,11,12,23
Regulator knob has continuous air leak .................................................................................... 13
Regulator will not shut off air outlet ........................................................................................... 13
Motor will not run ....................................................................................................................... 6,14,15,16,17,18,19,26,21
Squealing Sound ....................................................................................................................... 22
Troubleshootin( Codes
CODE POSSIBLE CAUSE
Pressure switch cut-out too high
POSSIBLE SOLUTION
Contact a DEWALT factory service center or a DEWALT
authorized service center.
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