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Troubleshooting
TYPE OF PROBLEM
Sprayer does not run at all
Digital display shows E=10
Control board status light blinks
10 times repeatedly
Sprayer Will Not Shut Off
1. Perform Pressure Relief Procedure; page 8. Leave
prime valve open and power switch OFF.
Troubleshooting Procedure
Plumb pressure gauge into paint
hose, plug sprayer in, and turn power
switch ON. Does sprayer reach or
exceed its maximum pressure?
YES
Unplug the transducer from control
board. Does motor stop running?
YES
Bad transducer. Replace and test
with a new one.
18
WHAT TO CHECK
Check to see if control board is over
heating.
1.
Make sure motor air intake is not blocked.
2.
Make sure fan has not failed.
3.
Make sure control board is properly connected
to back plate and that conductive thermal paste
is used on power components.
4.
Replace control board.
5.
Replace motor.
2. Remove control box cover so the control board
status light can be viewed if available.
Mechanical problem: See the proper
NO
fluid pump manual for the sprayer for
further trouble shooting procedures.
NO
HOW TO CHECK
Replace the control board.
3A0157A
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Table of Contents
Troubleshooting
