Parker DME012-RX User Manual

Contents

Parker DME012-RX User Manual Manual pdf 18 page image

18DME012-RX - DME080-RX6. Troubleshooting guideIn the unlikely event that a problem occurs on the equipment, this troubleshooting guide can be used to identify the probable cause andremedy.WarningTroubleshooting should only be attempted by competent personnel. All major repair, and calibration work shouldbe undertaken by a domnick hunter trained, qualified and approved engineer.Problem Indication Probable Cause RemedyPoor dewpoint Crystals go clear in the outletsight glass (DME040 - 080-RXModels only)Entrained WaterExcessive air flow demandInlet pressure too lowExcessive inlet airtemperatureInsufficient purge air flowExhaust silencers blockedContaminated desiccantCheck pre-filtration drains.Check actual flow against rated flow ofdryerCheck for recent additions to air systemCheck against technical specificationCheck against technical specificationFactory set for 6 bar g (87 psig) systempressure.domnick hunter trained personnel toadjustChange by domnick hunter trainedpersonnelEliminate source of contamination.Desiccant change by domnick huntertrained personnelElectrical fault Flashing Yellow LED Hardware fault Contact domnick hunter customerservicesHigh differential pressure Pressure gauges Excessive outlet flow Check and regulate air demandFailure to purge No depressurisation and poordewpointPurge valve blocked or shut.Exhaust silencers blocked.domnick hunter trained personnel toadjust.Change by domnick hunter trainedpersonnelOutlet air flow stops Downstream pressure drops.Yellow LED “OFF”Electrical fault.Blown fuse in plug.domnick hunter trained personnel toadjust.Change by domnick hunter trainedpersonnelConstant depressurisation Erratic air flow from exhaust Damaged valve. Change by domnick hunter trainedpersonnel

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