Troubleshooting

Problem

What to Check

How to check

8.Use an Ohm meter to check motor for shorts. Connect (–) meter lead to motor case. Move the (+) meter lead to each motor wire. Meter should read open on all wires.

 

 

GROUND

 

 

BLACK

 

 

RED

 

 

YELLOW

 

 

OL

 

 

-

 

 

ti24724a

 

 

9.Reconnect motor connector(s) to

 

 

control board socket(s). Connect

 

 

power, turn ON/OFF switch ON and

 

 

control knob to 1/2 turn clockwise. If

 

 

motor does not run, replace control

 

 

board.

Sprayer does not run at all

Motor is hot or there is a fault in the

Allow sprayer to cool. If sprayer runs

AND

motor thermal device.

when cool, correct cause of

 

overheating. Keep sprayer in cooler

Display shows E=06

 

 

location with good ventilation. Make

OR

 

sure motor air intake is not blocked. If

 

sprayer still does not run, replace

Control board status light blinks 6

 

 

motor.

times repeatedly

 

 

Sprayer does not run at all

Check voltage supply to the sprayer

Turn ON/OFF switch OFF and

AND

(incoming voltage too low for sprayer

disconnect power to the sprayer.

operation).

 

Display shows E=08

 

 

 

OR

 

 

Control board status light blinks 8

 

 

times repeatedly

 

 

334466A

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Image 37
Graco 334466A important safety instructions Board, Motor thermal device When cool, correct cause, Display shows E=06