Troubleshoot error code “L34” in Dietrich boiler

How to eliminate the error L34 in boiler Dietrich?

  • Error: L34
  • Description: Ventl defect. – The fan does not turn at the correct speed
  • Cause: 
  • Solution: Bad defective fan connection – Notify the professional to take care of the maintenance of the apparatus

More tips

If you have any problem with your Dietrich boiler, we recommend that you contact the technical service or a dietrich boiler specialist. They can help you diagnose and solve the problem.

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