Graco Detailed Troubleshooting for Paint Sprayer Alarm Codes
Page 52

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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Page 51 Page 53
Contents XM Plural-Component Sprayers312359J Contents Related Manuals Manual DescriptionFire and Explosion Hazard Intrinsic Safety Equipment Misuse Hazard Models Location Category KeyApprovals XM a XM B XM D XM C XM ECode FiltersOverview Usage Material Self-IgnitionIsocyanate Hazard Moisture Sensitivity IsocyanatesChanging Materials Components a and BKeep Components a and B Separate Lift Using a Forklift Lift Using a HoistLocation Proper Lifting of SprayerInitial System Setup Component Identification Typical Setup 20 Gallon Hoppers with Recirculation Back View Fluid Control Assembly Fluid Control AssemblyJunction Box/Heater Controls Air ControlsIG Junction Box/Heater Controls IG Air ControlsUser Interface LEDsUser Interface Display Interface Display, Main Display Screen ComponentsConnect Power Cord SetupPower Cord Requirements Non-hazardous location sprayers only Configure to Supply PowerTerminal Blocks Connect Air Supply Wire Sprayers with Explosion-Proof HeatersHazardous location sprayers only Connect Fluid Hose Assembly Adjust Packing NutsBasic Operation Set User Interface Parameters Set System Settings OptionalSet USB Parameters Set Maintenance Schedule Set Maintenance Parameters OptionalSet Maintenance Setpoints Set Sprayer Limits Optional Set Temperature LimitsSet Pressure Limits Prime a and B Fluids PrimeGallon Hopper Shown Prime Prime Solvent Flush Pump Recirculate Without HeatWith Heat Heat FluidSpray Adjust B Machine Outlet Restriction Mix Manifold Restriction StemRelieve a and B Fluid Pressure Pressure Relief ProcedureRelieve Pump Fluid Pressure and Flush Mix Hose To flush mixed material out of line with clean solvent Flush Mix Manifold Flush Mixed MaterialUse Solvent Pump Follow Pressure Relief Procedure, Relieve pressure. See Pressure Relief Procedure, Park Fluid Pump RodsShutdown Entire System Follow Park Fluid Pump Rods onMix and Integration Tests System VerificationPump and Metering Test System Verification Confirm Pump Test Batch Ratio Dispense Test Down Stream Valve Leak Test Confirm Batch Dispense TestXM Setup and Troubleshooting Guide Procedure GuidelinesFollow Park Fluid Pump Rods, Download Setup Download ProcedureDownload Data from USB USB LogsDownload Data from USB Maintenance Cleaning ProcedureFilters SealsAlarms Diagnose AlarmsClear Alarms Icon FunctionAlarm Codes and Troubleshooting Alarm Code Alarm Problem When Active Cause SolutionAdjust B Machine Outlet Pump Test Daily Check Recommended Optional User-Settable Maintenance Warnings Optional User-Settable Spray Limits Possible Alarms by Mode Mode Control Logic AlarmsLED Diagnostic Information Alarm Code KeyModule Status LED Signal Diagnosis Solution What Alert WhereAccessories and Kits Electric Heated Hose Power Supply Kit Desiccant Dryer KitCaster Kit Hose Rack KitSetup Functions key on Command Functions key OFF or removedAppendix a User Interface DisplaySetup Mode Screens Icon Function Home Setup ScreensHome System Setup Screens Set Potlife/Hose LengthSystem Number and USB Settings Pump ConfigurationEnable Setup Screens Fast Dosing Function Advisory B3A Alarm B4AMaintenance Setup Screens Maintenance SetupProcess Pressure Limits for spray mode User Limits Setup ScreensProcess Temperature Limits for spray mode Operator Command Functions Screens Alarm Control ScreensTest Screens Fluid Control ScreensPower On/Enter Mode Run Fluid Control ScreensRatio Mode Confirm Pump TestDown Stream Valve Leak Test Batch Dispense TestConfirm Batch Dispense Test Alarm Maintenance 1 Screen Maintenance 2 ScreenReset Maintenance Counter Totalizers and Job NumberAuto Display Screens Potlife ScreenUSB Screen Recommended USB Flash DrivesExample Spray Log Metering Diagram without Remote Mix Manifold Metering DiagramsAppendix B XM Metering Diagram with Remote Mix Manifold Metering Diagram with Remote Mix ManifoldPower Cord Guidelines Power Cord GuidelinesAppendix C Dimensions System Dimensions without HoppersTwo 20-Gallon Hoppers Side Mounted System Dimensions with HoppersTwo 20-Gallon Hoppers Rear Mounted One 20-Gallon Hopper and One 7-Gallon Hopper Two 7-Gallon HoppersPump Performance Charts Calculate Fluid Outlet PressureCalculate Pump Air Consumption XM50 Fluid Performance and Air ConsumptionTechnical Data Performance Charts ,Technical Data 312359J Graco Standard Warranty Graco Information

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.

Another significant characteristic of the Graco 312359J is its ability to produce a fine mist, which helps to reduce overspray and material waste. This is particularly beneficial for intricate projects where precision is critical. Additionally, the adjustable spray pattern can be easily configured to suit various tasks, allowing users to switch from broad coverage to detailed work with minimal effort.

The convenience of portability is another important aspect of the Graco 312359J. It features a lightweight design, making it easy to maneuver around different work areas. The integrated carrying handle further enhances mobility, allowing users to transport the sprayer without hassle.

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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