Nordson Encore LT Instruction Manual

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Contents

Nordson Encore LT Instruction Manual Manual pdf 4 page image

4TroubleshootingRefer to your system manual for more troubleshooting procedures, resistance checks, and continuity checks.Problem Possible Cause Corrective Action1. Powder not charging,kV/A display blinkingGun power supply shorted Check gun cable and power supply.Refer to your system manual formore information.2. Uneven pattern, unsteadyor inadequate powderflowBlockage in spray gun, powderfeed hose, or pumpCheck the feed hose and pump.Nozzle, deflector, or electrodeassembly wornRemove, clean, and replace asnecessary.Low pump air pressure Increase pump air setpoints.Low fluidizing air pressure Increase air pressure.Damp powder Check powder supply.3. Voids in powder pattern Worn nozzle or deflector Remove and replace if necessary.Plugged electrode assembly orpowder path in gunRemove and clean.4. Low powder flow orsurgingLow supply air pressure Input air must be greater than 4.0 bar(58 psi).Pump throat worn Check and replace if necessary.Pickup tube blocked Check and clean if necessary.Fluidizing air not adjusted correctly Check and adjust.Powder hose plugged, kinked, orID too small for lengthCheck hose. If longer than 20 ft, use1/2 in. ID hose.Regulator on controller manifoldplugged or malfunctioningRemove tubing at controller andcheck air flow. Replace regulator ifnecessary.5. Loss of wrap, poortransfer efficencyLow electrostatic voltage Increase voltage setpoint.Poor electrode connection Remove and clean. Check electrodeand gun power supply.Poorly grounded parts Check part grounds. Resistance toground should be less than 1meg-ohm.6. Powder build up onelectrodeInsufficient air wash air Remove air wash connector fromrear panel. Check orifice for blockageand clean if necessary.7. No kV output from gun Damaged gun cable or gun powersupplyCheck cable and power supply.Issued 10/11Original copyright date 2011. Encore, Nordson, and the Nordson logo are registered trademarks of Nordson Corporation.

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