Graco 3A0868G Alarm and Description Cause Solution QTA1 or QTB1, Dose Time Error, Qlax or Qlbx

Page 58

System Errors

Alarm and Description

Cause

Solution

 

 

 

QTA1 or QTB1

System is in Mix mode and gun is only par-

Fully trigger the gun.

Dose Time Error

tially triggered, allowing air but no fluid to

 

The gun trigger is active, but

pass through gun.

 

no A pump (QTA1) or B pump

 

 

Fluid flow rate is too low.

Increase flow rate.

(QTB1) movement is detected

 

 

Slow actuation of component A or B valves.

See Ratio Low Error and Ratio High

during the dose time selected.

 

Error, pages 56-57.

 

 

 

 

 

 

A or B pump has no air pressure.

Verify that main air supply is turned

 

 

on and valves are open.

 

 

 

 

There is an air leak downstream from the

Check the air lines for leaks and

 

air flow switch.

repair.

 

 

 

 

The air flow switch is stuck open.

Clean or replace air flow switch.

 

 

 

QLAX or QLBX

A or B dose valve leak

Replace valve needle and seat.

Leak Error

 

 

A or B pump is not seating and continues

Replace pump packings, balls, and

Pump A (QLAX) or Pump B

to move/creep.

seats.

(QLBX) is running with all

 

 

valves closed.

 

 

 

 

 

DJA1 or DJB1

Sensor not recognized by system.

Verify that sensor is plugged in. Verify

Linear Sensor Error

 

that sensor and AFCM are opera-

System does not detect the

 

tional. Verify cable connections.

pump A (DJA1) or pump B

 

Replace any malfunctioning compo-

(DJB1) linear position sensor,

 

nent.

or has an invalid position read-

 

 

Magnet fell off.

Replace magnet and holder on top

ing.

 

side of air motor piston.

 

 

 

 

Sensor readings are out of range.

Verify that the sensor is threaded

 

 

down

 

 

completely.

 

 

 

DKA1 or DKB1

Reed switch installed backward.

Flip reed switch 180 degrees to align

Reed Switch Error

 

with magnet in air valve.

System does not detect the

 

 

Reed switches are stuck, or both reed

Verify cable is connected on both

pump A (DKA1) or Pump B

switches are on at once

ends. Verify that reed switch, cable,

(DKB1) reed switch sensor, or

 

and AFCM are operational. Replace

detects an invalid state.

 

any malfunctioning component.

 

 

 

 

Magnet in air valve not functioning prop-

Verify that magnet is installed prop-

 

erly.

erly and is operational.

 

 

 

P4A1 or P4B1

Pump air pressure is set too high.

Reduce pressure on air supply to sys-

Pressure High Error

 

tem or pumps.

System detects a high pres-

 

 

Thermal expansion occurring in lines.

Relieve pressure if system has been

sure reading on pump A

 

idle. Decrease environmental

(P4A1) or pump B (P4B1).

 

temperature.

 

 

 

 

Pressure transducer malfunction.

Replace transducer. Verify that cable

 

 

and AFCM are operational.

P6A1 or P6B1

Pressure transducer malfunction.

Replace transducer. Verify that cable

Pressure Transducer Error

 

and AFCM are operational.

System does not detect pres-

 

 

sure transducer A (P6A1) or

 

 

pressure transducer B (P6B1).

 

 

 

 

 

58

3A0868G

Page 57 Page 59
Image 58
Page 57 Page 59
Contents ProMix 2KE Contents USB ModelsSeries Ratio Pumps Psi MPa, bar Port Approvals Models Related ManualsManual Description Special Conditions for Safe USE Fire and Explosion HazardElectric Shock Hazard Intrinsic Safety Skin Injection HazardToxic Fluid or Fumes Hazard Equipment Misuse HazardMoving Parts Hazard Personal Protective EquipmentImportant Two-Component Material Information Glossary of Terms Usage InstallationOverview Component Identification and DefinitionIntrinsically Safe Installation Requirements Hazardous Location InstallationNon-Hazardous Locations Requirements Display ModuleAir Supply Air regulator and bleed-type shutoff valveAir Connections Fluid SupplyFluid Connections Key SVA DVASVB DVB Tubing Chart and Diagrams Used only on is modelsGFB1-A ATOM-1 ATOM-2 Power Connection non-IS units only ElectricalGrounding Grounding IG . Display Module Display ModuleDisplay Key FunctionIcon Key Troubleshooting Run ModeSetup Mode Screen SummaryScreen User Input Range/Options Default Ranges for User InputsHome ErrorsPump Control RunSet-Up Home Password Configure RecipeMaintenance Calibration Set-Up HomeSystem Outputs System Outputs Set-Up Home System InputsMembrane Test Basic Operation Power OnInitial System Setup Pre-Operation TasksPrime the System Pump Calibration Calibrate the pumpBration 1 and 2 Screens 22 and 23, SprayingPurging Purging Mixed Material Purging Fluid Supply SystemPurging Mixed Material Purging Fluid Supply SystemSolenoid Valves in Control Box Lock Mode Pressure Relief ProcedureValve Settings ShutdownUSB Logs Error LogUse of Optional USB Module Job LogSetup Sample Error LogRecommended USB Flash Drives Download ProcedureUSB Port Run Home Screen Run Mode DetailsRun Mix Spray Screen Run Mix Batch ScreenRun Mix Totals Screen Run Log Errors ScreensRun Job Number Screen Run Pump Control Screen Run Pump Control ScreenPassword Screen Setup Mode DetailsSetup Home Screen Configure 1-4 Screens Confirm Change of System TypeConfigure 3 Screen 20 and Configure 4 Screen Recipe 1-1 Screen Recipe 1-2 ScreenRecommended Maintenance Maintenance 1-3 ScreensMaintenance Recommendations Component FrequencyTroubleshooting Screens Calibration 1 and 2 Screens 22Troubleshooting System Outputs Screen Troubleshooting System Inputs ScreenMembrane Test Screen General Operating Cycle, Dynamic Dosing Dynamic DosingSelect a Component B Restrictor Size Pressure Too High Pressure Too Low Pressure B Pressure B Control Range with Properly Sized RestrictorTo Clear Error and Restart System ErrorsSystem Alarms Air Flow Switch AFS FunctionSystem Idle Warning Idle Error Codes System Alarm/Advisory/Record CodesCommunication Error Alarm TroubleshootingAlarm and Description Cause Solution USB Communication ErrorEQU2 Pneumatic Schematic, page 66 or Alarm and Description Cause Solution SFA1 or SFB1PreMix Error PreFill ErrorRatio Low Error Already about equal, verify that comQDA1 QDB1Leak Error Alarm and Description Cause Solution QTA1 or QTB1Dose Time Error Linear Sensor ErrorPark Error Alarm and Description Cause Solution DDA1 or DDB1Diving/Cavitation Error Stall Up ErrorExample Dynamic Dosing Restrictor Selection GraphsRestrictor Sizes Size Code Orifice Size Differential Pressure between a and B Flow Rate cc/min Detail View500 1000 1500 2000 2500 3000 3500 4000 200 14 150 10 100 7 50 3.4 500 1000 Psi 40 2.8 30 2.1 20 1.4 10 0.7 500 1000 Schematics System Pneumatic SchematicPneumatic Schematic Non-Hazardous LocationAIR Flow Switch SIG Hazardous Location Electrical Schematic Fluid J4CONTROL ModulePower Supply Non-Hazardous Electrical Schematic Dimensions and Mounting Merkur Merkur BellowsOn-ratio accuracy Technical DataProMix 2KE Metric Noise levelGraco Standard Warranty Graco Information
Top Page Image Contents