Troubleshooting Codes; Troubleshooting Guide - DeWalt D55153 Guide D'utilisation

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
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 ............................................................................................................................ 6,16,17
Pressure reading on the regulated pressure gauge drops when an accessory is used ............... 7
Compressor is not supplying enough air to operate accessories................................................. 8,9,10,11,12,15
Regulator knob has continuous air leak ....................................................................................... 13
Regulator will not shut off air outlet .............................................................................................. 13
Moisture in pump crankcase ........................................................................................................ 14,18
Motor will not run ......................................................................................................................... 11,19,20,21,22,23,24,25,26

Troubleshooting Codes

CODE POSSIBLE CAUSE
1 Pressure switch does not shut off motor when compressor
reaches cut-out pressure
2 Pressure switch cut-out too high
3 Tube fittings are not tight enough
4 Defective air tank

Troubleshooting Guide

POSSIBLE SOLUTION
Set the On/Off switch to OFF, if the unit does not shut off
contact a D
authorized service center.
Contact a D
authorized service center.
Tighten fittings where air can be heard escaping. Check
fittings with soapy water solution. Do Not Overtighten.
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.
18
WALT technician or your dealer.
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WALT factory service center or a D
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WALT factory service center or a D
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WALT
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WALT
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