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18 - ENGD22130
Motor will not run.
Fuse blown, circuit breaker
tripped.
1. Check fuse box for blown fuse
and replace as 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. You
should use a time delay fuse.
3. Check for low voltage condi-
tions and/or proper extension
cord.
4. Disconnect the other electrical
appliances from circuit or
operate the compressor on its
own branch circuit.
PROBLEM
CAUSE
CORRECTION
Motor overload protection switch
has tripped
Let motor cool off and overload
switch will automatically reset.
Tank pressure exceeds pressure
switch “cut-in” pressure.
Motor will start automatically
when tank pressure drops below
“cut-in” pressure of pressure
switch.
Extension cord is wrong length or
gauge.
Check for proper gauge wire and
cord length.
Loose electrical connections. Check wiring connection inside
pressure switch and terminal box
area.
Have checked by a Trained
Service Technician.
Check valve stuck open.
Remove and clean, or replace.
Possible defective motor or start-
ing capacitor.
Have checked by a Trained
Service Technician. Do not oper-
ate the compressor in the paint
spray area. See flammable vapor
warning.
Paint spray on internal motor
parts.
Bleed the line by pushing the lever
on the pressure switch to the “off”
position; if the valve does not
open, replace switch.
Pressure release valve on pres-
sure switch has not unloaded
head pressure.