DeWalt D55152 - Troubleshooting Guide; Common Problems and Solutions

20
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
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 ........................................................................................................................... 6,16,17
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 POSSIBLE SOLUTION
1 Pressure switch does not shut off motor when compressor
reaches cut-out pressure
Set the On/Off switch to OFF, if the unit does not shut off
contact a
DeWALT
factory service center or a
DeWALT
authorized servicecenter.
2 Pressure switch cut-out too high
Contact a
DeWALT
factory service center or a
DeWALT
authorized servicecenter.
3
Tube fittings are not tight enough
Tighten ttings where air can be heard escaping. Check
ttings with soapy water solution. Do NotOvertighten.