Troubleshooting5-2 2001 Nordson CorporationAll rights reserved334 627BIssued 3/01Manual 31-46Problem Possible Cause Corrective Action1. Uneven pattern, unsteadyor inadequate powderflow(contd)Improper fluidization of powder inhopperIncrease the fluidizing air pressure.If the problem persists, remove thepowder from the hopper and inspect thefluidizing plate. Clean or replace thefluidizing plate if it is contaminated.Damp powder 1. Check the powder supply, air filters,and dryer.2. Replace the powder supply ifcontaminated.2. Voids in powder pattern Worn nozzle Remove and inspect the nozzle.Replace it if it is worn.Plugged powder path Remove the nozzle parts, inletconnector, and powder feed hose fromthe gun and clean them.3. Loss of wrap, poortransfer efficiencyNOTE: Before checking possiblecauses, check the error code on thecontroller and perform the error codecorrective action in the controllermanual.Low electrostatic voltage Increase the electrostatic voltage.Poor electrode connection Perform theElectrode SupportAssembly Continuity procedure in thissection.Poorly grounded parts Check the conveyor chain, rollers, andpart hangers for powder buildup. Theresistance between the parts andground must be 1 megohm or less. Forbest results, 500 ohms or less isrecommended.2. Troubleshooting Charts(contd)

Issued

Introduction

Personal Safety

Grounding

Action in the Event of a Malfunction

Theory of Operation

Specifications

Air Pressure Requirements

Quick Color Change

Shutdown

Maintenance

troubleshooting

Troubleshooting Charts

Continuity and Resistance Checks

Removal from the Gun Mount

Powder Path Repair

Multiplier Replacement

Spray Gun Part Numbers

Spray Gun Parts

Mounting Assembly

Optional Nozzle

O-ring Kit

Manual

Nordson Sure Coat Series Customer Product Manual

Sure Coat Series