Troubleshooting
3A6491E 37
Electrical cont...
Sprayer Will Not Shut Off
1. Perform Pressure Relief Procedure,
page 12. Leave prime valve open
(down) and turn ON/OFF 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?
Mechanical problem:
See the proper fluid pump
manual for the sprayer for
further troubleshooting procedures.
Is the control board status light on?
NO
Replace the control board.
NO
Replace the control board.
NO
YES
YES
Unplug the transducer from control board.
Does motor stop running?
Bad transducer.
Replace and test with a new one.
YES
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