Troubleshoot error code “D12” in Dietrich boiler

How to eliminate the error D12 in boiler Dietrich?

  • Error: D12
  • Description: DEFECT S.amb.A DEFECT S.amb. Defect S.amb. – Failure of the environment to failure of the Environmental probe B Failure of the Environmental Probe C OBSERVATION: The corresponding circuit works without influence of the environment.
  • Cause: 
  • Solution: Bad connection probe failure – Notify the professional to take care of the maintenance of the apparatus

More tips

If you have followed our steps and you have not been able to solve the error code of your Dietrich boiler, we recommend that you contact a technical service or a specialist. They can help you diagnose and solve the problem of your boiler.

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