DeVillbiss Air Power Company MGP-FAC1025-2 owner manual Troubleshooting Guide

Page 11

TROUBLESHOOTING GUIDE (Continued)

PROBLEM

CAUSE

CORRECTION

 

Air leak from safety valve.

Possible defect in safety valve.

Operate safety valve manually by pulling on ring. If

 

 

valve still leaks, it should be replaced.

 

 

 

 

Knocking Noise

Defective check valve.

Remove and clean, or replace.

 

 

 

 

Compressor is not supplying

Prolonged excessive use of air.

Decrease amount of air usage.

enough air to operate acces-

Compressor is not large enough for air

Check the accessory air requirement. If it is higher

sories.

 

requirement.

than the SCFM or pressure supplied by your air

 

 

compressor, you need a larger compressor.

 

Hole in hose.

Check and replace.

 

Check valve restricted.

Remove and clean, or replace.

 

Air leaks.

Tighten fittings. (See Air Leaks Section of Trou-

 

 

bleshooting Guide.)

 

 

 

 

Motor will not run.

Tank pressure exceeds pressure

Motor will start automatically when tank pressure

 

switch “cut-in” pressure.

drops below “cut-in” pressure of pressure switch.

 

Wrong gauge wire or length of exten- Check for proper gauge wire and cord length.

 

sion cord.

 

 

 

 

Check valve stuck open.

Remove and clean, or replace.

 

Loose electrical connections.

Check wiring connection inside pressure switch

 

 

and terminal box area.

 

Paint spray on internal motor parts.

Have checked at an Authorized Warranty Service

 

 

Center. Do not operate the compressor in the paint

 

 

spray area. See flammable vapor warning.

 

Possible defective motor.

Have checked at an Authorized Warranty Service

 

 

Center.

 

Fuse blown, circuit breaker tripped.

1. Check fuse box for blown fuse and replace, if

 

 

 

necessary. Reset circuit breaker. Do not use a

 

 

 

fuse or circuit breaker with higher rating than

 

 

 

that specified for your particular branch circuit.

 

 

2. Check for proper fuse.

 

 

3.

Check for low voltage conditions and/or proper

 

 

 

extension cord.

 

 

4.

Disconnect the other electrical appliances from

 

 

 

circuit or operate the compressor in its own

 

 

 

branch circuit.

 

 

 

 

Regulator knob has continuous

Damaged regulator.

Replace regulator.

air leak. Regulator will not shut

 

 

 

 

off at air outlet.

 

 

 

 

11 — ENG

Image 11
Contents FAC1025 Table of Contents ONE Year from Date of Purchase Important Safety Instructions Important Safety Instructions cont’d Glossary Description of Operation Grounding Instructions Operating Procedures Troubleshooting Guide Troubleshooting Guide Parts List AIR Compressor Diagram Not ILLUSTRATEDH-2099 ENG Permanently Lubricated AIR Compressor