How to eliminate the A11 error in boiler Cointra?
- Error: A11
- Description: Return sensor anomaly
- Cause:
- Solution: – Spoiled sensor. – Short circuit wiring, control the wiring or replace the sensor. – Wiring interrupted
More tips
If you fail to resolve the error of your Cointra boiler, we recommend that you contact the closest technical service or specialist. They can diagnose the problem and, if necessary, make a repair.
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 ...