How to eliminate F11 error in boiler Cointra?
- Error: F11
- Description: Return sensor anomaly
- Solution: – Spoiled sensor. – Short circuit wiring, control the wiring or replace the sensor. – Wiring interrupted
If you fail to solve your Cointra boiler error, we recommend that you contact the technical or boiler specialist service. They can advise you and help you find the right solution for your particular case.