Graco A-25 important safety instructions Problem Cause Solution

Page 21

Troubleshooting

PROBLEM

CAUSE

SOLUTION

 

 

 

 

 

 

 

FTS failed or is not contacting

Check FTS, page 11.

 

correctly.

 

 

 

 

 

FTS not installed correctly.

FTS should be installed close to end

Hose does not heat.

 

of hose in same environment as gun.

 

 

Verify FTS installation, page 32.

 

 

 

 

Temperature control alarm.

Check temperature display or diag-

 

 

nostic code, page 32.

 

 

 

Hoses near Reactor are warm, but

Shorted connection or failed hose

With hose heat on and temperature

hoses downstream are cold.

heating element.

setpoint above displayed hose zone

 

 

temperature, verify voltage between

 

 

connectors at each section of hose.

 

 

Voltage should drop incrementally for

 

 

each section of hose further from

 

 

Reactor. Use safety precautions

 

 

when hose heat is turned on.

 

 

 

3A1570A

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Contents Repair-Parts Important Safety InstructionsContents Systems Proportioner ModelsRelated Manuals Manual DescriptionElectric Shock Hazard Fire and Explosion Hazard Equipment Misuse Hazard Important Two-Component Material Information Changing Materials DataTrak Diagnostic Codes Temperature Control Diagnostic CodesSymbol Code Code Name Diagnosis Cause Causes of E01 Errors E01 High fluid temperatureSensor Connector Continuity Checks Pins Description Reading ChecksE03 No zone current E02 High zone currentE05 Control board over temperature E06 Communication cable unpluggedE99 Loss of communication Before Beginning Repair Pressure Relief ProcedureShutdownOpen Close ParkFlushingProblems TroubleshootingPower Pumps and PressuresProblem Cause Solution Electronics Problem Cause Solution Problem Cause Solution See E04 Fluid Temperature Sen HeaterSor FTS or thermocouple discon Hose Heat System Problem Cause Solution Follow Pressure Relief Procedure, RepairDisconnect Pump Connect Pump Remove Air Motor Install Air MotorRecirculation / Over Pressure Relief Block Air Filter Element InstallationAir Inlet Filter / Water Separator Auto Drain Air Filter Element RemovalTemperature Control Module Connections Temperature Control ModuleConnector Description Bottom of Power ModulesTest SCR Circuit Replacing Temperature Control Assembly ModulesPrimary Heater Heater ElementLine Voltage KW Dual Zone Heater Thermocouple ThermocoupleCheck Hose Connectors Overtemperature SwitchPins Result Heated HoseFluid Temperature Sensor FTS InstallationTest/Removal Transformer Primary Check Transformer Secondary Check Replace TransformerModel Secondary Voltage Size Component Replace Circuit Breaker ModulePump Lubrication System Pump Lubrication SystemTemperature Display Refer to Reactor A-25 Wiring Schematic,Fluid Inlet Strainer Screen Display Module Detail of Membrane Switches and Temperature Display BoardReplace DataTrak Battery or Fuse Replace BatteryReplace Fuse Recommended Spare Parts Accessories7984 100 888 PartsTorque pump locking nuts to 66-74 ft-lbs 90-100 Nm Cart Part Description QtyNipple Screw Control PanelTemperature Control Wheel KitRef. Part Description Qty Fluid Inlet Kit Fluid ManifoldRing Kw Dual Zone Heater, 24J788PLUG, Pipe Air Motor Pump AssemblyAir Tubing Connections Length Connection Outside Ft m FromColor Diameter Breaker Module Phase Reactor A-25 Wiring SchematicPOD Reactor A-25 Wiring Schematic Simplified Schematic, Heater Controls Category Data Technical DataGraco Information Graco Standard Warranty
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