Troubleshooting Guide - DeWalt D55143 Instruction Manual

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
technician or your dealer.
Problem
Compressor does not start or restart ................................................................9, 10, 11, 12, 14, 15, 16, 19
Unit does not or is slow to come up to speed ................................................8, 13, 15, 16, 19
Air compressor not making enough air..............................................................1, 3, 2, 18, 24, 29, 26, 7, 25, 5, 23
Insufficient pressure at air tool or accessory ....................................................24, 18, 2, 29, 3, 22, 25, 23
Unit runs excessively hot ..................................................................................2, 18, 13, 7, 5, 6
Excessive starting and stopping ........................................................................29, 27, 3, 22, 19, 20, 29, 23
Excessive noise during operation ....................................................................4, 5, 6, 16, 26
Moisture in discharge air....................................................................................27, 28
Safety relief valve "pops"....................................................................................17, 21, 19, 20

TROUBLESHOOTING GUIDE

10
Code
WALT
E