Graco 3A2495C important safety instructions Error Display

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Gun Overview

Error Display

If the Smart module loses communication with the power supply, the Error display appears, the Hz indicator turns red, and the Smart module is disabled. See Fig. 3, and Table 1 on page 11. This can occur in Operating Mode or Diagnostic Mode. See Electrical Troubleshooting, page 37. Communication must be restored to make the Smart module functional.

NOTE: It takes 8 seconds for the Error display to appear. If the gun has been disassembled, wait 8 seconds before spraying to ensure that an Error condition has not occurred.

NOTE: If there is no power to the gun, the Error display will not appear.

for your gun. Continue pressing the button until you reach the desired setting.

NOTE: After 2 seconds of inactivity the display will return to the Operating Screen.

NOTE: The low voltage setting may be locked. See Lock Symbol, page 10.

Figure 3 Error Display

Adjusting the Low Voltage Setting

The low voltage setting is user adjustable. To access the low voltage setting screen when in Operating Mode, press the LO SET button (LS) momentarily. The screen will display the current low voltage setting. See Fig. 4, and Table 1 on page 11. The possible ranges are:

85 kV guns: 40–85 kV

60 kV guns: 30–60 kV

Set the Voltage Adjustment switch (VA) to LO. Press the LO SET button repeatedly to increase the setting in increments of 5. When the display reaches the maximum setting it will return to the minimum setting

Figure 4 Low Voltage Setting Screen (Unlocked)

Lock Symbol

The low voltage setting may be locked. When locked, an image (LK) appears on the screen. See Fig. 5, and Table 1 on page 11.

When in HI mode, the low voltage setting is always locked. The lock symbol will appear when the LO SET button is pressed.

In LO mode, the lock symbol will only appear if the lock is enabled. See

Low Voltage Lock Screen, page 14, to lock or unlock the low voltage setting.

Figure 5 Low Voltage Setting Screen (Locked)

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3A2495C

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Contents Important Safety Instructions InstructionsContents Smart Display Standard Display II 2 GFIRE, EXPLOSION, and Electric Shock Hazard Skin Injection Hazard Equipment Misuse Hazard Gun Overview How the Electrostatic AA Spray Gun WorksDescription Purpose Chart, page 62, for availSetup Checklist, See Spray Tip SelectionOperating Mode Bar Graph Smart GunsError Display Key for Figs Description Purpose Description Purpose Diagnostic Mode Alternator Speed Hertz Screen Installation Ventilate the Spray BoothFluid Supply Line Air Supply LineHose Typical Installation Key Description NON-HAZARDOUS AreaGun Setup Gun Setup ChecklistGun Setup LED Indicator Colors Description Pressure DropGrounding Key to Figs Ground the Operator Ground the Gun Check Gun Electrical Grounding Check Fluid Viscosity Flush Before Using EquipmentCheck Fluid Resistivity Fluid Resistivity Levels Megohms-cmStartup Pressure Relief ProcedureOperation ShutdownMaintenance FlushingClean the Gun Daily Maintenance Daily System Care Check Gun Electrical Grounding,Electrical Tests Test Gun ResistanceTest Power Supply Resistance Alternator Removal and Replacement,Test Gun Barrel Resistance Problem Cause Solution TroubleshootingSpray Pattern Troubleshooting Clean the Gun Daily,Gun Operation Troubleshooting Replacement, page 45 Replacement,Power Supply Removal Test Gun Resistance,See Clean the Gun Daily, Replacement, page 52Prepare the Gun for Service RepairAir Cap, Spray Tip, and Fluid Seat Housing Replacement See Prepare the Gun for Service,Electrode Replacement See Test Gun Resistance,Fluid Filter Replacement Fluid Tube Removal and ReplacementGun Barrel Installation Gun Barrel RemovalFluid Needle Replacement Remove Cap and SpringsPower Supply Removal and Replacement See Prepare the Gun for Service, See Gun Barrel Removal,Alternator Removal and Replacement Alternator Fan Air Adjustment Valve Repair Fan Air Adjustment ValveAtomizing Air Adjustment Valve Repair ES On-Off Valve Repair See Gun Barrel Installation, Air Valve RepairSmart Module Replacement Smart ModuleAir Swivel and Exhaust Valve Replacement Air Inlet Fitting and Air Exhaust ValveStandard Air-Assisted Spray Gun Assembly PartsDescription Qty Smart Air-Assisted Spray Gun Assembly See Smart Module Assembly Alternator Assembly Part No N664 Alternator AssemblyES On-Off Valve Assembly Part No N632 ES On-Off Valve AssemblyFan Air Valve Assembly Part No N634 Fan Air Valve AssemblyAir Cap Assembly Smart Module Assembly Spray Tip Selection Chart AEM Fine Finish Spray TipsOz/min l/min AEF Fine Finish Pre-Orifice Spray TipsOrifice Fluid Output 41 bar MPa Bar Spray TipSystem Accessories Repair Kits, Related Manuals, and AccessoriesGun Accessories Test EquipmentOperator Accessories HosesDimensions Gun Model In. mm Weight, oz gTechnical Data Graco Pro Xp Warranty Graco Information