Japp då har vi löst problemet, Då MÅSTE du ladda ner programvaran på: http://www.iks-aqua.com/html/engl/aquastarsoftware.htm O följ instruktionen: Short Instruction Update Software 1. Installation Copy the update software (Update_english.exe) into a directory of your choice. 2. Start of the programm <UL ="DISC"> open the Windows-Explorer open the directory with the update software double click the update_english.exe - file. 3. update aquastar <UL ="DISC"> connect the aquastar via the PC-Cable to the PC remove the powersupply from the aquastar click on "Select File" at the PC-Software select the *.hex - file (e.g. aq219_EN.hex) in the next dialogue select the serial interface (COM1, COM2, COM3 or COM4)) in the next dialogue and click OK Don't be worry about the message "The configured serial port is not valid. Please choose another port". In this special case, this message is unimportant ! wait, until you see "Get in touch with Aquastar" connect the powersupply to the aquastar wait the file will be copied each sector one after another. The update process was successful , when the following text rises at the end: Sector 493 OK Checksum xxx (any nummer) Checksum OK <H1>4. update is complete</H1> Sen är det bara o kalibrera! Låt oss veta om det fungerade!