Troubleshooting Guide; Troubleshooting Codes - Porter-Cable US58 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 Porter-Cable technician
or your dealer.
problem
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
Regulator knob has continuous air leak .................................................................................... 13
Regulator will not shut off air outlet ........................................................................................... 13
Motor will not run ....................................................................................................................... 14,15,16,17,18,19
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

troubleshooting Guide

troubleshooting Codes

pOssIBLE sOLUTIOn
Set the On/Off switch to OFF, if the unit does not shut off
contact a Porter-Cable factory service center or a Porter-
Cable authorized service center.
Contact a Porter-Cable factory service center or a Porter-
Cable authorized service center.
Tighten fittings where air can be heard escaping. Check
fittings with soapy water solution. Do Not Overtighten.
15
Code