Troubleshoot error code “L12” in Dietrich boiler

How to eliminate the error L12 in boiler Dietrich?

  • Error: L12
  • Description: TSEG. ABTE – Maximum Boiler Temperature overcome (maximum stb thermostat)
  • Cause: 
  • Solution: Bad connection of probe failure 4 Notify the professional to take care of the maintenance of the apparatus

More tips

If you fail to solve the Error boiler Dietrich, we recommend that you contact the technical or specialist service. You can advise you on the specific problem and help you find the best solution for you.

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