How to eliminate F09 error in boiler Cointra?
- Error: F09
- Description: Action of over -time protection
- Solution: – Fair return sensor – Water does not circulate in the installation – air in installation
If you present problems to solve the error of the Cointra boiler, it is recommended that you contact the technical service or a boiler specialist. In this way you can ensure that the problem is solved in the most efficient and safe way possible.