At "www.vega.com/downloads" go to "Software". Select under "plicssensors and instruments", "Firmware updates" the respective instru-ment series and software version. Load the zip file via the right mousekey with "Save target as" e.g. on the desktop of your PC. Move with theright mouse key to the folder and select "Extract all". Save theextracted files, for example on the desktop.Connect the signal conditioning instrument to power supply andprovide the connection from the PC to the instrument via the interfaceadapter. Start PACTware and go via the menu "Project" to the VEGAproject assistant. Select "USB" and "Set instruments online". Activatethe project assistant with "Start". The assistant establishes theconnection automatically and opens the parameter adjustment window"Sensor # online parameter adjustment". Connect this parameteradjustment window before you carry out further steps.Select with the right mouse key the sensor in the project and go to"Additional function". Then click to "Software update". The window"Sensor # software update" opens. PACTware checks now the sensordata and displays the actual hardware and software version of thesensor. This takes approximately 60 s.Push the button "Update software" and select the previously extractedhex file. Then the software update can be started. The additional filesare installed automatically. Depending on the sensor, this procedurelasts up to 1 h. Then the message appears ""Software updatesuccessfully executed".8.5 Instrument repairIf a repair is necessary, please proceed as follows:You can download a return form (23 KB) from our homepage at www.vega.com under: "Downloads - Forms and certificates - Repair form".By doing this you help us carry out the repair quickly and withouthaving to call back for needed information.l Print and fill out one form per instrumentl Clean the instrument and pack it damage-proofl Attach the completed form and, if need be, also a safety datasheet outside on the packagingl Please ask the agency serving you for the address of your returnshipment. You can find the respective agency on our websitewww.vega.com under: "Company - VEGA worldwide"Load sensor software toPCPrepare updateLoad software into sen-sor36 VEGAFLEX 65 • Foundation Fieldbus8 Maintenance and fault rectification31848-EN-120329