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Troubleshooting
18 311365G
Sprayer Will Not Shut Off
1. Relieve Pressure, page 9. Leave prime valve open
and power switch OFF.
2. Remove control box cover so the control board
status light can be viewed if available.
Troubleshooting Procedure
Plumb pressure gauge into paint
hose, plug sprayer in, and turn power
switch ON. Does sprayer reach or
exceed its maximum pressure?
Unplug the transducer from control
board. Does motor stop running?
Bad transducer. Replace and test
with a new one.
Replace the control board.
Mechanical problem: See the proper
fluid pump manual for the sprayer for
further trouble shooting procedures.
NO
NO
YES
YES