528 Diagnostics and servicingVEGABAR 82 • 4 … 20 mA45027-EN-1705227. Insert new O-ring seal for the process fitting8. Install the process pressure transmitter in the welded socket,tighten compression nutThe cleaning is finished.The pressure transmitter is directly ready for operation, a fresh adjust-ment is not required.8.3 Diagnosis functionThe following table shows the error codes and text messages of thecategory "Failure" and provides information on causes as well as cor-rective measures.CodeText messageReason RectificationF013No valid measured valueavailable• Gauge pressure or low pressure• Measuring cell defective • Exchange measuring cell• Send instrument for repairF017Adjustment span toosmall• Adjustment not within specification • Change the adjustment according to thelimit valuesF025Error in the lineariza-tion table• Index markers are not continuously ris-ing, for example illogical value pairs • Check linearisation table• Delete table/Create newF036no operable sensor soft-ware• Failed or interrupted software update • Repeat software update• Check electronics version• Exchanging the electronics• Send instrument for repairF040Error in the electronics• Hardware defect • Exchanging the electronics• Send instrument for repairF041Communication error• No connection to the sensor electronics • Check connection between sensor andmain electronics (with separate version)F080General software error• General software error • Disconnect operating voltage brieflyF105Measured value is de-termined• The instrument is still in the start phase,the measured value could not yet bedetermined• Wait for the end of the switch-on phaseF113Communication error• Error in the internal instrument com-munication • Disconnect operating voltage briefly• Send instrument for repairF260Error in the calibration• Error in the calibration carried out in thefactory• Error in the EEPROM• Exchanging the electronics• Send instrument for repairF261Error in the instrumentsettings• Error during setup• Error when carrying out a reset • Repeat setup• Repeat resetFailure