Haier 232738 Basic Troubleshooting, Problem Cause Solution, See Motor Does Not Operate

Page 9

Basic Troubleshooting

Basic Troubleshooting

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

Problem

Cause

Solution

 

 

 

 

 

 

Power switch is on and sprayer

Pressure is set at zero

Turn pressure control knob counterclockwise to

is plugged in, but motor does

pressure

increase pressure setting.

not run and pump does not

 

 

Motor control is damaged

See Motor Does Not Operate, page 11.

cycle

 

 

Electrical outlet is not providing

• Try a different outlet or plug in something that

 

 

power

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

Check for broken insulation or wires. Replace

 

damaged

electrical cord if damaged.

 

 

 

 

Paint is frozen or hardened in

See Motor Does Not Operate, page 11.

 

pump

 

 

 

 

Pump does not prime

Spray-PRIME valve is in

Turn Prime/Spray valve to PRIME position

 

SPRAY position

(pointing down).

 

 

 

 

Inlet screen is clogged or

Clean debris off inlet screen and make sure

 

suction tube is not immersed

suction tube is at bottom of paint pail.

 

 

 

 

Balls in check valve are stuck

Clean or replace check valves. See Pump

 

or check valves are damaged

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

Pump is not primed

Prime pump.

up pressure

 

 

Inlet screen is clogged or

Clean debris off inlet screen and make sure

 

 

suction tube is not immersed

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

Clean or replace check valves. See Pump

 

damaged. (Usually only one

Service, page 20.

 

valve)

 

 

 

 

 

Prime/Spray valve is worn or

Check Prime/Spray valve for debris trapped on

 

obstructed with debris

seat and worn parts. Torque to 21 N·m (185 in-lb).

 

 

 

Pump cycles but paint only

Pressure is set too low

Slowly turn pressure control knob clockwise to

dribbles or spurts when spray

 

increase pressure setting. Sprayer should develop

gun is triggered

 

more pressure.

 

 

 

 

Spray tip is plugged

Unplug spray tip. Manual 309097.

 

 

 

 

InstaClean fluid filter is clogged

Clean or replace InstaClean fluid filter.

 

(XR9 only)

 

 

 

 

 

Spray gun fluid filter is clogged

Clean or replace spray gun fluid filter.

 

 

 

309477F

9

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Contents US Patent 6,752,067 Europe Patent 1 208 Airless SprayerContents Manual Conventions SpecificationsFire and Explosion Hazard Equipment Misuse Hazard Pressure Relief Procedure Thermal Overload Grounding and Electrical RequirementsGeneral Repair Information Problem Cause Solution Basic TroubleshootingService, page 20. Do not store in water See Motor Does Not Operate,Switch Kit, Control Switch Kit,See Low or Fluctuating Output, Thermal Overload,General Problem Motor Does Not Operate Advanced TroubleshootingSee Control Board Diagnostics, General Problem Circuit Breaker is Tripping OFF General Problem Erratic Motor OperationGeneral Problem Low or Fluctuating Output Prime/Spray Drain Valve Kit,Grounding and Electrical Requirements, See Control Board Diagnostics, page 19. If General Problem No Output General Problem Excessive Pressure Build UpNecessary using Pressure Control Switch Kit Kit Number Models/Series Kit Description List of KitsSetup XR9 model only Motor DiagnosticsBoth Models Armature Short Circuit Spin Test XR9 model onlyControl Board Diagnostics Pump DiagnosticsPump Service Dx Pressure Roller/Spray System PartsDescription Description QtyDx Pressure Roller/Spray System Model Pressure Roller AssemblyModel 232751, 232752 XR9 Spray SystemXR9 Spray System XR9 Spray System Model 232751, 232752, 232753 Series C XR9 Spray System Labels Dx Roller/Spray System XR9 Sprayer Technical DataFor Graco Canada Customers Graco WarrantyGraco INC. P.O. BOX 1441 MINNEAPOLIS, MN