How to eliminate the B21 error in boiler Dietrich?
- Error: B21
- Description: Bl. Com your – communication error between PCU electronic cards and their
- Cause:
- Solution: Bad connection 4 Notify the professional to take care of the maintenance of the apparatus
More tips
Dietrich as soon as possible fails to solve the Error boiler Dietrich, we recommend that you contact the technical or specialist service in the installation of Dietrich boilers as soon as possible. They can help you diagnose and solve the problem of your boiler, and will allow you to use it 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 ...