Alarms

Alarm Codes and Troubleshooting

NOTE: See XM Plural-Component Sprayers Repair-Parts manuals for non-alarm based troubleshooting.

Alarm

 

 

 

 

Code

Alarm Problem

When Active

Cause

Solution

 

 

 

 

 

 

 

 

 

 

 

 

General Performance Alarms

 

R4B

Ratio High B (Overdose B),

Spray

B Dosing valve not closing.

Perform Pump Test to test for

 

system delivering too much B

 

 

leakage. See Pump and Meter-

 

component.

 

 

ing Test, page 40.

 

 

 

 

 

 

 

 

 

Loosen valve packing nut. See

 

 

 

 

manual 313289.

 

 

 

 

 

 

 

 

 

Check air signal at valve top

 

 

 

 

 

 

 

 

 

Repair valve or air solenoid.

 

 

 

 

See manual 313289.

 

 

 

 

 

 

 

 

No B restriction at mix manifold.

Increase B Restriction by turn-

 

 

 

 

ing B restrictor stem clockwise.

 

 

 

 

See Adjust B Machine Outlet

 

 

 

 

Restriction, page 33.

 

 

 

 

 

 

 

 

Pump filter plugged on A side.

Clean filter. See manual

 

 

 

 

311762.

 

 

 

 

 

 

 

 

 

Use alternate 30 mesh screen.

 

 

 

 

See manual 311762 for part

 

 

 

 

number.

 

 

 

 

 

 

 

 

Inlet air dropping below 80 psi

Check air filters. See manual

 

 

 

(0.55 MPa, 5.5 bar) while spray-

313289.

 

 

 

ing. B dosing valve not closing

 

 

 

 

Use larger air hose.

 

 

 

correctly.

 

 

 

 

 

 

 

Use larger compressor.

 

 

 

 

 

 

 

 

 

 

 

 

 

Use smaller gun tips or less

 

 

 

 

guns to reduce flow rate.

 

 

 

 

 

 

 

 

Solenoid air regulator set below

Adjust air regulator.

 

 

 

80 psi (0.55 MPa, 5.5 bar)

 

 

 

 

 

 

R1B

Ratio Low B (under dose B);

Spray

B dosing valve will not open.

Check for air signal to valve.

 

system delivering not enough

 

 

 

 

 

B mix manifold valve closed.

Open green mix manifold valve.

 

B component.

 

 

 

 

 

 

 

Pump filter plugged on B side.

Use alternate 30 mesh screen.

 

 

 

 

 

 

 

See manual 311762 for part

 

 

 

 

number.

 

 

 

 

 

 

 

 

 

Clean B pump outlet filter. See

 

 

 

 

manual 311762.

 

 

 

 

 

REC

System detected five R4B

Spray

See R4B or R1B alarm causes.

See R4B or R1B alarm solu-

 

(ratio high B) or five R1B

 

 

tions. Flush mixed material if

 

(ratio low B) alarms within five

 

 

necessary, and purge off-ratio

 

minutes. Sprayer shuts down

 

 

mixed material in hose.

 

for five minutes to resolve

 

 

 

 

problem.

 

 

 

 

 

 

 

 

FHA

System detects pump move-

Spray

Recirculation valve or dosing

Close or repair recirculation

FHB

ment (fluid flow) when there

 

valve open or leaking for more

valve, and run Pump Test. See

 

should not be.

 

than five seconds.

Pump and Metering Test,

 

 

 

 

page 40. See manual 313289 if

 

 

 

 

needed.

 

 

 

 

 

52

312359J

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Graco 312359J Alarm Codes and Troubleshooting, Alarm Code Alarm Problem When Active Cause Solution
Page 51 Page 53

312359J specifications

The Graco 312359J is a versatile paint sprayer designed for both DIY enthusiasts and professionals alike. Known for its powerful performance and user-friendly features, this sprayer is ideal for various painting tasks, from small interior projects to larger exterior applications.

One of the standout features of the Graco 312359J is its robust piston pump system, which can handle thicker materials without compromising on quality. This allows users to spray a wide range of coatings, including stains, sealers, and even heavy-duty paints. The sprayer is engineered to deliver consistent pressure, ensuring an even and professional finish on every job.

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In terms of technology, the Graco 312359J incorporates an easy-to-use control system, ensuring that even beginners can achieve professional-quality results. The user-friendly design simplifies setup and maintenance, while the quick-connect nozzle system allows for easy changes between different spray tips.

Moreover, the sprayer is equipped with a durable and easy-to-clean design. Users can quickly flush out the system after use, saving time and maintaining the equipment's longevity.

Ultimately, the Graco 312359J stands out for its combination of power, portability, and advanced features, making it an excellent choice for anyone looking to achieve a flawless finish. Its blend of practicality and efficiency caters to a wide range of applications, helping both novice and experienced users achieve outstanding results with ease. Whether tackling a home renovation or a professional job, this paint sprayer is designed to meet various painting needs effectively.
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