Basic Troubleshooting

 

 

 

Problem

Cause

Solution

 

 

 

 

 

 

Spray pattern is inconsistent or

Pressure is set too low

Turn pressure control knob clockwise to increase

is leaving stripes

 

pressure.

 

 

 

 

Spray tip is worn beyond

Replace spray tip.

 

capability of sprayer

 

 

 

 

Pressure is set at maximum

Spray tip is too big for sprayer

Select smaller spray tip.

but cannot achieve a good

 

 

Spray tip is worn beyond

Replace spray tip.

spray pattern

capability of sprayer

 

 

 

 

 

 

 

Extension cord is too long or

Replace extension cord. Grounding and

 

not heavy enough gauge

Electrical Requirements, page 7.

 

 

 

 

Spray gun fluid filter is clogged

Clean or replace spray gun fluid filter.

 

 

 

 

InstaClean fluid filter is clogged

Clean or replace InstaClean fluid filter.

 

(XR9 only)

 

 

 

 

 

Inlet screen is clogged

Clean debris off inlet screen.

 

 

 

 

Pump valves are worn

See Low or Fluctuating Output, page 15.

 

 

 

Motor is hot and runs

Vent holes in enclosure are

Keep vent holes clear of obstructions and

intermittently.

plugged or sprayer is covered

overspray and keep sprayer open to air.

This is NOT a thermal overload

 

 

Extension cord is too long or

Replace extension cord. See Grounding and

condition. Motor automatically

not a heavy enough gauge

Electrical Requirements, page 7.

shuts off due to excessive heat.

 

 

Unregulated electrical

Use electrical generator with a proper voltage

Damage can occur if cause is

generator being used has

regulator. Sprayer requires 220-240 VAC, 50/60

not corrected.

excessive voltage

Hz, 1500-Watt generator.

Thermal Overload, page 7.

 

 

Sprayer was operated at high

Decrease pressure setting or increase tip size.

 

 

pressure with very small tip

 

 

which causes frequent motor

 

 

starts and excessive heat build

 

 

up

 

 

 

 

Building circuit breaker opens

Too many appliances are

Free up circuit (unplug things), or use a less busy

after sprayer operates for 5 to

plugged in on same circuit.

circuit.

10 minutes.

 

 

Sprayer electrical cord is

Check broken insulation or wires. Replace

 

 

damaged.

electrical cord if damaged.

 

 

 

Fan pattern varies dramatically

Pressure control switch is worn

Replace pressure control knob using Pressure

while spraying

and causing excessive

Control Switch Kit, page 18.

OR

pressure variation

 

Sprayer does not turn on

 

 

promptly when resuming

 

 

spraying

 

 

 

 

 

Cannot trigger spray gun

Spray gun trigger safety lever is

Rotate trigger safety lever to SAFETY OFF

 

in SAFETY ON position

position.

 

 

 

Spray comes out of spray gun

Reversible spray tip is in

Rotate arrow-shaped handle on spray tip so it

in two thick streams

UNCLOG position

points forward in SPRAY position.

 

 

 

Paint is coming out of pressure

Pressure control switch is worn

Replace pressure control using Pressure Control

control switch

 

Switch Kit, page 18.

 

 

 

Spray-PRIME valve actuates

System is over pressurizing

See Excessive Pressure Build Up, page 17.

automatically relieving

 

 

pressure through drain tube

 

 

 

 

 

Paint leaks down outside of

Pump packings are worn

Replace pump packings. See Pump Service,

pump

 

page 20.

 

 

 

10

309477F

Page 10
Image 10
Haier 232738 See Low or Fluctuating Output, Thermal Overload, Control Switch Kit, See Excessive Pressure Build Up