Haier 232738 User Manual

Page of 30
Advanced Troubleshooting
309477F
17
General Problem: No Output
Specific Problem
Cause
Solution
Power switch is on and sprayer 
is plugged in but pump does 
not cycle
See Basic Troubleshooting, 
page 9.
Motor runs but pump does not 
cycle
Gear and/or yoke are damaged 
(XR9 only)
Replace gear and yoke using Gear/Yoke Repair 
Kit
, page 18.
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 18.
General Problem: Excessive Pressure Build Up
Specific Problem
Cause
Solution
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 18.
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 18.
Control board failed
See Control Board Diagnostics, page 19. 
Replace damaged control board using Control 
Board Kit
, page 18.