Error D99 in Dietrich boiler

How to eliminate the error D99 in boiler Dietrich?

• Error: D99
• Description: Def.Mal PCU – The version of the SCU program does not recognize the connected PCU – Notify the professional who is responsible for the maintenance of the apparatus
• Cause: 
• Solution: Notify the professional to take care of the maintenance of the apparatus

More tips

If you cannot solve the error of the Dietrich boiler, we recommend that you contact the technical service or the specialist before continuing. In this way, it may be sure that the problem has been solved and that its boiler works safely and efficiently.

Other error codes in Dietrich boiler

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