How to eliminate F42 error in boiler Cointra?
- Error: F42
- Description: Sensors control protection performance
- Cause:
- Solution: – Fullying heating sensor – Disconnected or disconnected return sensor
More tips
If you fail to resolve the error of your Cointra boiler, we recommend that you contact the technical or specialist service. They can advise you on how to solve the problem and, if necessary, make a complete diagnosis of your boiler to identify the cause of error.
Other error codes in Cointra boiler

Troubleshoot error code “F68” in Cointra boiler
How to eliminate F68 error in boiler Cointra? Error: F68Description: BCC Service Key errorCause: Solution: - BCC Service Key Connected - BCC Service Key File Load error More tips If ...

Troubleshoot error code “F67” in Cointra boiler
How to eliminate F67 error in boiler Cointra? Error: F67Description: BCC Service Key errorCause: Solution: - BCC Service Key Connected - BCC Service Key File Load error More tips In ...

Troubleshoot error code “F66” in Cointra boiler
How to eliminate F66 error in boiler Cointra? Error: F66Description: Firmware load not finished correctlyCause: Solution: Refill the firmware or change the card More tips If you fail to resolve ...