Haier 232738 User Manual

The following troubleshooting guidelines are included here as preemptive measures against Advanced 
Troubleshooting, page 11.

Power switch is on and sprayer 
is plugged in, but motor does 
not run and pump does not 
cycle

Pressure is set at zero 
pressure

Turn pressure control knob counterclockwise to 
increase pressure setting.

Motor control is damaged

See Motor Does Not Operate, page 11.

Electrical outlet is not providing 
power

•

Try a different outlet or plug in something that 
you know is working to test outlet

•

Reset building circuit breaker or replace fuse

Extension cord is damaged

Replace extension cord. See Grounding and 
Electrical Requirements, page 7.

Sprayer electrical cord is 
damaged

Check for broken insulation or wires. Replace 
electrical cord if damaged.

Paint is frozen or hardened in 
pump

See Motor Does Not Operate, page 11.

Pump does not prime

Spray-PRIME valve is in 
SPRAY position

Turn Prime/Spray valve to PRIME position 
(pointing down).

Inlet screen is clogged or 
suction tube is not immersed

Clean debris off inlet screen and make sure 
suction tube is at bottom of paint pail.

Balls in check valve are stuck 
or check valves are damaged

Clean or replace check valves. See Pump 
Service, page 20. Do not store in water.

Suction tube is leaking

Tighten suction tube connection. Inspect for other 
cracks or vacuum leaks.

Spray gun stopped spraying

Spray tip is plugged

Unplug spray tip. Manual 309097.

Pump cycles but does not build 
up pressure

Pump is not primed

Prime pump.

Inlet screen is clogged or 
suction tube is not immersed

Clean debris off inlet screen and make sure 
suction tube is at bottom of paint pail.

Paint pail is empty

Refill paint pail and reprime sprayer.

Suction tube is leaking

Tighten suction tube connection. Inspect for other 
cracks or vacuum leaks.

Pump check valves are dirty or 
damaged. (Usually only one 
valve)

Clean or replace check valves. See Pump 
Service, page 20.

Prime/Spray valve is worn or 
obstructed with debris

Check Prime/Spray valve for debris trapped on 
seat and worn parts. Torque to 21 N·m (185 in-lb).

Pump cycles but paint only 
dribbles or spurts when spray 
gun is triggered

Pressure is set too low

Slowly turn pressure control knob clockwise to 
increase pressure setting. Sprayer should develop 
more pressure.

Spray tip is plugged

Unplug spray tip. Manual 309097.

InstaClean fluid filter is clogged 
(XR9 only)

Clean or replace InstaClean fluid filter.

Spray gun fluid filter is clogged Clean or replace spray gun fluid filter.