3ContentsVEGABAR 82 • 4 … 20 mA45027-EN-1705228 Diagnostics and servicing8.1 Maintenance .................................................................................................................. 518.2 Cleaning - hygienic connection with compression nut .................................................... 518.3 Diagnosis function .......................................................................................................... 528.4 Rectify faults ................................................................................................................... 548.5 Exchange process assembly with version IP 68 (25 bar)................................................ 558.6 Exchanging the electronics module ................................................................................ 568.7 Software update ............................................................................................................. 568.8 How to proceed if a repair is necessary.......................................................................... 569 Dismount9.1 Dismounting steps.......................................................................................................... 589.2 Disposal ......................................................................................................................... 5810 Supplement10.1 Technical data ................................................................................................................ 5910.2 Calculation of the total deviation ..................................................................................... 7110.3 Calculation of the total deviation - Practical example ...................................................... 7210.4 Dimensions .................................................................................................................... 7410.5 Industrial property rights ................................................................................................. 8410.6 Trademark ...................................................................................................................... 84Safety instructions for Ex areasTake note of the Ex specific safety instructions for Ex applications.These instructions are attached as documents to each instrumentwith Ex approval and are part of the operating instructions manual.Editing status: 2017-05-17