Waters 2414 Refractive Index Detector

Hardware troubleshootingThe following table describes hardware troubleshooting for the detector.General system troubleshootingSymptom Possible cause Corrective actionDetector inoperative Fuse blown Verify the front paneldisplay is operational; if itis not, replace the AC rearpanel fuseNo power at outlet Verify outlet by connectinganother electrical unitknown to be in workingorder and see if it operates.Front panel displayfails to illuminateFront panel displaysodd charactersIEEE-488 problemsKeypad notfunctioningAnalog outputincorrectBroken electricalconnectionFuse blownBad LCD or controlboardFaulty EPROMsBad LCD control boardIEEE-488 410 modeconfiguration disabledand/or IEEE addressset incorrectlyBad IEEE-488 cableInspect electricalconnections.Inspect and, if necessary,replace fuse(s).Contact Waters TechnicalService.Contact Waters TechnicalService.Set the configuration pagecorrectly.Check the IEEE-488 cable.Replace the IEEE-488cable.Keypad defective Recycle power to the 2414detector and run thekeypad diagnostic.Contact Waters TechnicalService.RIU-FS settingchangedReset the RIU-FS setting inRIU mode.Troubleshooting 7-15