Vega VEGAPULS 69 Operating Instructions Manual

Also see for VEGAPULS 69: Operating instructions Mounting instructions Product information Quick setup guide Operating instructions

Contents

639 Diagnosis, asset management and serviceVEGAPULS 69 • Foundation Fieldbus47251-EN-180627Fault description Cause Rectification8. Measured valuefluctuates around10 … 20 %Leveltime0• Various echoes from an uneven productsurface, e.g. an extraction funnel • Check parameter "Type of medium" andadapt, if necessary• Optimize installation position and sensororientation• Reflections from the product surface viathe vessel wall (deflection)Depending on the reason for the fault and the measures taken, thesteps described in chapter "Setup" must be carried out again or mustbe checked for plausibility and completeness.Should these measures not be successful, please call in urgent casesthe VEGA service hotline under the phone no. +49 1805 858550.The hotline is also available outside normal working hours, sevendays a week around the clock.Since we offer this service worldwide, the support is provided inEnglish. The service itself is free of charge, the only costs involved arethe normal call charges.9.5 Exchanging the electronics moduleIf the electronics module is defective, it can be replaced by the user.In Ex applications, only instruments and electronics modules with ap-propriate Ex approval may be used.If there is no electronics module available on site, the electronicsmodule can be ordered through the agency serving you. The electron-ics modules are adapted to the respective sensor and differ in signaloutput or voltage supply.The new electronics module must be loaded with the default settingsof the sensor. These are the options:• In the factory• Or on site by the userIn both cases, the serial number of the sensor is needed. The serialnumbers are stated on the type label of the instrument, on the insideof the housing as well as on the delivery note.When loading on site, the order data must first be downloaded fromthe Internet (see operating instructions manual "Electronics module").Caution:All application-specific settings must be entered again. That's why youhave to carry out a fresh setup after exchanging the electronics.If you saved the parameter settings during the first setup of the sen-sor, you can transfer them to the replacement electronics module. Afresh setup is then not necessary.Reaction after fault recti-fication24 hour service hotline