Vega VEGABAR 52 Operating Instructions Manual

Also see for VEGABAR 52: Product information Operating instructions

Contents

Vega VEGABAR 52 Operating Instructions Manual Manual pdf 35 page image

358 Maintenance and fault rectificationVEGABAR 52 • 4 … 20 mA36716-EN-1303218 Maintenance and fault rectification8.1 MaintainIf the instrument is used properly, no special maintenance is requiredin normal operation.In some applications, product buildup on the diaphragm can influencethe measuring result. Depending on the sensor and application, takeprecautions to ensure that heavy buildup, and especially a hardeningthereof, is avoided.If necessary, clean the diaphragm. Make sure that the materials areresistant to the cleaning process, see resistance list under "Services"on "www.vega.com". The wide variety of applications of chemicalseals makes special cleaning instructions necessary for each applica-tion. Please ask the VEGA agency serving you.8.2 Rectify faultsThe operator of the system is responsible for taking suitable meas-ures to rectify faults.VEGABAR 52 offers maximum reliability. Nevertheless, faults can oc-cur during operation. These may be caused by the following, e.g.:• Sensor• Process• Voltage supply• Signal processingThe first measures to be taken are to check the output signals as wellas to evaluate the error messages via the display and adjustmentmodule. The procedure is described below. Further comprehensivediagnostics can be carried out on a PC with the software PACTwareand the suitable DTM. In many cases, the causes can be determinedand the faults rectified this way.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.Connect a handheld multimeter in the suitable measuring range ac-cording to the wiring plan.MaintenanceCleaningReaction when malfunc-tions occurFailure reasonsFault rectification24 hour service hotlineCheck the 4 … 20 mAsignal