Graco 313289s important safety instructions Alarm Codes and Troubleshooting

Page 24

Alarms

Alarm Codes and 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 in manual 312359.

 

 

 

 

 

 

 

 

 

Loosen valve packing nut.

 

 

 

 

 

 

 

 

 

Check air signal at valve top

 

 

 

 

 

 

 

 

 

Repair valve or air solenoid.

 

 

 

 

See Replace Solenoid Mod-

 

 

 

 

ule, page 32.

 

 

 

 

 

 

 

 

No B restriction at mix manifold.

Increase B Restriction by turn-

 

 

 

 

ing B restrictor stem clockwise.

 

 

 

 

See Adjust B Mix Manifold

 

 

 

 

Restriction in manual 312359.

 

 

 

 

 

 

 

 

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 Air Con-

 

 

 

(0.55 MPa, 5.5 bar) while spray-

trols, page 40.

 

 

 

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 valves

 

valve open or leaking for more

valve, and run Pump Test. See

 

are closed.

 

than 5 seconds.

Pump and Metering test in man-

 

 

 

 

ual 312359. See Mix Manifold

 

 

 

 

Assembly, page 42.

 

 

 

 

 

R2D

Dosing sizes are not opti-

Spray

Dosing valve is operating near

Adjust mix manifold B restrictor

 

mized.

 

high or low timing limits.

stem clockwise or counter

 

 

 

 

clockwise as indicated by bar

 

 

 

 

graph on restrictor screen. See

 

 

 

 

Adjust B Mix Manifold Restric-

 

 

 

 

tion in manual 312359.

 

 

 

 

 

24

313289S

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Contents XM Plural-Component Sprayers313289S Contents Related Manuals Component Manuals in U.S. EnglishManual Description Fire and Explosion Hazard Intrinsic Safety Equipment Misuse Hazard Models Location Category KeyApprovals XM a XM B XM D XM C XM EOverview Isocyanate HazardMaterial Self-Ignition Moisture Sensitivity IsocyanatesComponents a and B Changing MaterialsKeep Components a and B Separate Lift Using a Forklift Lift Using a HoistBefore Repair Location Proper Lifting of SprayerPressure Relief Procedure Relieve a and B Fluid PressureRelieve Pump Fluid Pressure Flush Before Using Equipment Flush Flush Mixed MaterialFlush Mix Manifold Use Solvent PumpFollow Pressure Relief Procedure, Procedure Empty and Flush Entire System new sprayer or end of jobGuidelines Turn on heaters until fluid lines are clear of sol- ventR3123593132896 R3123593132897 Cleaning Procedure Relieve pressure. See Pressure Relief Procedure,Shutdown Entire System Flush Entire System new sprayer or end of job onXM Setup and Troubleshooting Guide Troubleshooting Problem Cause SolutionSee Appendix a in manual Tor Power Supply Control Compo Alarms View AlarmsDiagnose Alarms Clear AlarmsAlarm Codes and Troubleshooting Alarm Code Alarm Problem When Active Cause SolutionSee Pump Assembly, Pump Test Daily Check Recommended Optional User-Settable Maintenance Warnings Optional User-Settable Spray Limits Possible Alarms by Mode Mode Control Logic AlarmsR2D StopLED Diagnostic Information Alarm Code KeyModule Status LED Signal Diagnosis Solution What Alert WhereRepair Replace Air Filter ElementMain Air Inlet Manifold Filter Both FiltersUser Interface/Control Box Remove ShroudReplace Solenoid Module DVA DVBUpdate USB Module Software Load software. See Update USB Module Soft WareReplace USB Module Update Fluid Control Module FCM Software Load software. See Update Fluid Control Module FCM SoftwareReplace Fluid Control Module FCM Replace Alarm Upgrade SoftwareDisplay Replace Display Battery Replace DisplayWall Power Supply Control Components Replace Power Supply ModuleReplace Front Panel Alternator Power Supply Control Components Alternator Module RepairFCM USBReplace Alternator Regulator Air Controls Gauge 326 319 330 340 331 Fluid Control Assembly Dosing Valve AssemblyMix Manifold Assembly Temperature RTD Sensor SensorsReplace Fluid Pressure Sensor Pump Assembly Remove Pump AssemblyRemove Displacement Pump Remove Air Motor Service and Repair Solvent PumpFluid Heaters ReplaceElectrical Schematics Simplified Electrical Schematic, XM Sprayer with AlternatorSimplified Pneumatic Schematic, XM Sprayer with Alternator Electrical Schematics 313289SDetailed Electrical Schematic, XM Sprayer with Alternator 313289SDetailed Electrical Schematic, XM Sprayer with Alternator Blue GreenSimplified Electrical Schematic, XM Sprayer with Wall Power XM Plural Component Sprayer with Wall PowerSimplified Pneumatic Schematic, XM Sprayer with Wall Power With Wall Power ManualDetailed Electrical Schematic, XM Sprayer with Wall Power Wiring Schematics BoxFluid HeatersHopper Heaters Junction Box Wiring Schematics 313289S Parts XM Plural-Component SprayersXM1, XM2 XM3, XM4XMB and XME XM5, XM6XM7, XM8 Models 113 114 120 121 122 135 137 115 Fluid Control Assembly Parts Common PartsPart Description Qty See Air Controls Module Parts,Parts Varying by Model XM1 and XM2 ModelsXM1 and XM2 Models XM3 and XM4 Models XM Plural-Component Sprayer Models Part DescriptionXM3 and XM4 Models XM5 and XM6 Models Adapter XM7 and XM8 Models XM7 and XM8 Models Air Power and Electric Power Versions Control Box 255771 PartsPart Description LabelBase MODULE, USBControl Box Power Supply Options Alternator AssemblyWall Power Supply Assembly Wall Power Supply Assembly Cable ConnectionsAir Controls Module 255761 Parts AdapterRegulator CouplingSwitch 25A Junction Box 256540 PartsCircuit Breaker 25A Circuit Breaker 10AFluid Control Assembly Parts SENSOR, RTDAir Inlet Manifold 255762 Parts SwivelCAP Plug Alternator Module 255728 Parts TurbinePart Description Qty Part of Assembly Repair and Spare Parts ReferenceAccessories and Kits Electric Heated Hose Power Supply Kit Desiccant Dryer KitShutoff/Check Valve Kit Caster KitDimensions System Dimensions without HoppersSystem Dimensions with Hoppers Two 20-Gallon Hoppers Side MountedTwo 20-Gallon Hoppers Rear Mounted One 20-Gallon Hopper and One 7-Gallon Hopper Two 7-Gallon HoppersTechnical Data PTFE, UhmwpeGraco Standard Warranty Graco Information
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