Vega VEGAWAVE 63 Operating Instructions Manual

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7 Maintenance and fault rectification7.1 MaintenanceIf the instrument is used properly, no special maintenance is requiredin normal operation.7.2 Remove interferencesThe operator of the system is responsible for taking suitable measuresto rectify faults.VEGAWAVE 63 offers maximum reliability. Nevertheless, faults canoccur during operation. These may be caused by the following, e.g.:l Sensorl Processl Voltage supplyl Signal processingThe first measure to be taken is to check the output signal. In manycases, the causes can be determined this way and the faults rectified.Should these measures not be successful, please call in urgent casesthe VEGA service hotline under the phone no. +49 1805 858550.The hotline is available to you 7 days a week round-the-clock. Sincewe offer this service world-wide, the support is only available in theEnglish language. The service is free of charge, only the standardtelephone costs will be charged.Error Cause RectificationVEGAWAVE 63 signals"covered" without beingsubmerged (overfill pro-tection)VEGAWAVE 63 signals"uncovered" when beingsubmerged (dry run pro-tection)Operating voltage too low Check operating voltageElectronics defective Press the mode switch. If the instrument then changesthe mode, the vibrating element may be covered withbuildup or mechanically damaged. Should the switchingfunction in the correct mode still be faulty, return theinstrument for repair.Press the mode switch. If the instrument then does notchange the mode, the electronics module may bedefective. Exchange the electronics module.Unfavourable installationlocationMount the instrument at a location in the vessel whereno dead zones or mounds can form.Buildup on the vibratingelementCheck the vibrating element and the sensor if there isbuildup and remove it.Reaction when malfunc-tions occurFailure reasonsFault rectification24 hour service hotlineChecking the switchingsignalVEGAWAVE 63 • - transistor (NPN/PNP) 237 Maintenance and fault rectification32258-EN-120418