How to eliminate error B18 in boiler Dietrich?
- Error: B18
- Description: BL.MAL PSU – The PSU electronic card is not recognized
- Cause:
- Solution: Incorrect PSU Electronic Card for this boiler 4 Notify the professional who is responsible for the maintenance of the apparatus
More tips
If you find an error in your Dietrich boiler that you cannot solve, we recommend that you contact the technical or specialist service. They can help you diagnose and solve the problem so you can continue using your boiler safely.
Other error codes in Dietrich boiler

Errors or error codes of Dietrich Boiler
When your Dietrich boiler starts to show unusual behaviors, the first thing you should do is check if it is displaying any error codes on its control panel. These codes ...

Troubleshoot error code “SCU electronic card not installed in the boiler” in Dietrich boiler
How to delete the Electronic SCU card error not installed in the boiler in boiler Dietrich? Error: SCU electronic card not installed in the boilerDescription: Cause: Solution: Notify the professional ...