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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 F09 error in boiler Cointra? Error: F09 Description: Action of over -time protection Cause: Solution: – Fair return sensor – Water does not circulate in the...
How to eliminate F08 error in boiler Cointra? Error: F08 Description: Action of over -time protection Cause: Solution: – Fullying heating sensor – Water does not circulate in the...
How to eliminate F07 error in boiler Cointra? Error: F07 Description: High smoke temperature Cause: Solution: Smile probe detects excessive temperature More tips If you have a Cointra boiler...
How to eliminate the A68 error in boiler Cointra? Error: A68 Description: BCC Service Key error Cause: Solution: – BCC Service Key Connected – BCC Service Key File Load...
How to eliminate the A64 error in boiler Cointra? Error: A64 Description: Overcome the maximum number of consecutive reset Cause: Solution: Disconnect the boiler for 60 s and connect...
How to eliminate the A63 error in boiler Cointra? Error: A63 Description: AGC01 switchboard anomaly Cause: Solution: Internal Error of the AgC01 switchboard More tips If you find a...
The boiler locks out due to a communication fault with the gas valve. These are the causes and key checks.
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...