Front panel Display

  1. Switch off the unit
  2. Open the cover
  3. Short the jumper “SP3” on the LCD board located behind the front panel (jumper called “Password Reset” in the schematics and Layout named “General Control Board” - you can find it at the chapter “Circuit Diagrams and Layouts”)
  4. Switch on the unit and wait a few seconds
  5. Switch off the unit again
  6. Remove the jumper “SP3” and turn the unit on

Note: this sequence doesn’t erase any regulation setting.


Web GUI

  1. Switch off the unit
  2. Open the cover
  3. Short the jumper “SP1” on the RMB board (jumper called “Password Reset” in the schematics and Layout named “Remote Management Board” - you can find it at the chapter “Circuit Diagrams and Layouts”)
  4. Switch on the unit and wait a few seconds
  5. Switch off the unit again
  6. Remove the jumper “SP3” and turn the unit on

Note: this sequence doesn’t erase any regulation setting.