Find clear guides to boiler error codes, common faults and everyday problems, with simple steps to pinpoint the cause and fix it faster. Save time with practical help that explains what each warning means and how to act without guesswork. Ideal when you need a quick, easy solution and want to get your boiler working again.

How to eliminate the A61 error in boiler Cointra? Error: A61 Description: AGC01 switchboard anomaly Cause: Solution: Internal Error of the AgC01 switchboard More tips If you fail to...

How to eliminate the A56 error in boiler Cointra? Error: A56 Description: – Incorrect calibration – not finished calibration procedure Cause: Solution: – Incorrect parameters – badly located or...

How to eliminate the A55 error in boiler Cointra? Error: A55 Description: AGC01 switchboard anomaly Cause: Solution: Internal Error of the AgC01 switchboard More tips If you cannot solve...

How to eliminate the A54 error in boiler Cointra? Error: A54 Description: AGC01 switchboard anomaly Cause: Solution: Internal Error of the AgC01 switchboard More tips If at any time...

How to eliminate the A42 error in boiler Cointra? Error: A42 Description: Sensors control protection performance Cause: Solution: – Fullying heating sensor – Disconnected or disconnected return sensor More...

How to eliminate the A26 error in boiler Cointra? Error: A26 Description: Card parameter anomaly Cause: Solution: Bad card parameter configured More tips If you fail to solve the...

How to eliminate the A24 error in boiler Cointra? Error: A24 Description: Card parameter anomaly Cause: Solution: Bad card parameter configured More tips If you fail to resolve the...

How to eliminate the A23 error in boiler Cointra? Error: A23 Description: Card parameter anomaly Cause: Solution: Bad card parameter configured More tips Cointra has a technical service specialized...

How to eliminate the A14 error in boiler Cointra? Error: A14 Description: High smoke temperature Cause: Solution: F07 anomaly generated 3 times in the last 24 hours More tips...

How to eliminate error A13 in boiler Cointra? Error: A13 Description: Smile sensor anomaly Cause: Solution: – Dispossed sensor-Short circuit wiring control the wiring or replace the interrupted wiring...

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...

How to eliminate the A10 error in boiler Cointra? Error: A10 Description: Ida sensor anomaly Cause: Solution: – Disposal sensor, short -circuit wiring Control the wiring or replace the...