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Troubleshooting
3A6491E
37
Electrical cont...
Sprayer Will Not Shut Off
1.
Perform
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
ti24731a
Summary of Contents for ST MAX II 395 PC Pro
Page 35: ...Troubleshooting 3A6491E 35 Electrical cont Sprayer Will Not Run See following page for steps ...
Page 36: ...Troubleshooting 36 3A6491E ...
Page 49: ...Notes 3A6491E 49 Notes ...
Page 52: ...Battery Replacement 52 3A6491E Battery Replacement BlueLink Units Only ...
Page 53: ...Wiring Diagrams 3A6491E 53 Wiring Diagrams 110 120V Models 395EU 490 495 595 ...
Page 55: ...Wiring Diagrams 3A6491E 55 120V 110V Model 650 ...
Page 57: ...Notes 3A6491E 57 Notes ...
Page 63: ...Graco Information 3A6491E 63 ...