TROUBLESHOOTING GUIDE

VOLTAGE SOURCES, MOVING PARTS OR COMPRESSED AIR SOURCES ARE EXPOSED WHEN REPAIRING THE COMPRESSOR. PERSONAL INJURY CAN OCCUR. UNPLUG THE COMPRESSOR BEFORE ATTEMPTING ANY REPAIRS.

 

 

 

 

 

 

 

PROBLEM

CAUSE

CORRECTION

 

 

 

 

 

 

 

Air Leaks

Hose fitting loose.

Tighten fitting.

 

 

 

 

 

 

 

Compressor is not delivering

Prolonged excessive use of air.

Decrease the amount of air usage. Your compres-

 

enough air.

 

sor is not large enough for the air requirement.

 

 

 

Hole in hose.

Replace the hose.

 

 

 

Air leaks.

Tighten fittings.

 

 

 

 

 

 

 

Motor will not run.

Fuse blown, circuit breaker tripped.

1. Check fuse box for blown fuse and replace as

 

 

 

 

necesssary. 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. You should be using a

 

 

 

 

Quick Acting fuse.

 

 

 

 

3. Check for low voltage problem.

 

 

 

 

4. Check the extension cord.

 

 

 

 

5. Disconnect the other electrical appliances

 

 

 

 

from circuit or operate the compressor on its

 

 

 

 

own branch circuit.

 

 

 

Extension cord is wrong length or

Check the extension cord.

 

 

 

gauge.

 

 

 

 

 

Loose electrical connections.

Check wiring connection inside terminal box

 

 

 

Faulty motor.

Have checked at a local Service Center.

 

 

 

 

 

 

 

High discharge pressure.

Adjustable pressure valve not func-

 

 

 

Cannot be adjusted lower.

tioning.

 

 

 

 

 

 

RISK OF BURSTING. DO NOT OPERATE

 

 

 

 

THE COMPRESSOR IF THIS PROBLEM

 

 

 

 

EXISTS. ADJUSTABLE PRESSURE VALVE

 

 

 

 

MUST BE REPLACED.

 

 

 

 

 

 

 

 

 

 

 

 

11 — ENG

MGP-102D-3A

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DeVillbiss Air Power Company 102D-3 owner manual Troubleshooting Guide, Problem Cause Correction