Graco 334466A Paint Sprayer User Manual


 
Troubleshooting
334466A 37
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.
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
AND
Display shows E=06
OR
Control board status light blinks 6
times repeatedly
Motor is hot or there is a fault in the
motor thermal device.
Allow sprayer to cool. If sprayer runs
when cool, correct cause of
overheating. Keep sprayer in cooler
location with good ventilation. Make
sure motor air intake is not blocked. If
sprayer still does not run, replace
motor.
Sprayer does not run at all
AND
Display shows E=08
OR
Control board status light blinks 8
times repeatedly
Check voltage supply to the sprayer
(incoming voltage too low for sprayer
operation).
Turn ON/OFF switch OFF and
disconnect power to the sprayer.
Problem What to Check How to check
YELLOW
BLACK
RED
ti24724a
-
OL
GROUND
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