Advanced Troubleshooting
312004B
27
General Problem: No Output
Specific Problem
Cause
Solution
Project Painter 5 and Project
Painter 7 - AllControl is ON
or
SR7, ProX7 and ProX9 - Power
switch is on and sprayer is
plugged in but pump does not
cycle
See
Basic Troubleshooting
,
page 17.
Motor runs but pump does not
cycle.
Gear and/or yoke are damaged Replace gear and yoke using
Gear/Yoke Repair
Kit
, page 28.
Motor does not run.
Water or paint entered
pressure control switch or
shorted control board.
Clean out and/or dry out and retry. Replace if
necessary using
Pressure Control Switch Kit
,
page 28.
General Problem: Excessive Pressure Build Up
Specific Problem
Cause
Solution
SR7, ProX7 and ProX 9 -
Prime/Spray Valve actuates
automatically, relieving
pressure through drain tube.
Pressure control switch is
worn.
Replace pressure control switch using
Pressure
Control Switch Kit
, page 28.
Water or paint entered
pressure control switch or
shorted control board.
Clean out and/or dry out and retry. Replace if
necessary using
Pressure Control Switch Kit
,
page 28.
Control board failed.
See
Control Board Diagnostics
, page 31.
Replace damaged control board using
Control
Board Kit
, page 28.
Summary of Contents for 261800
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