Bosch Error Code E9: The Bosch Boiler’s Error Code E9 means that the safety temperature limiter in the central heating flow stat has been tripped. This safety feature is designed to prevent the central heating system from overheating. When the temperature limiter is tripped, it cuts off the flow of hot water to the radiators or underfloor heating to protect the system from damage. This error code indicates that there may be an issue with the temperature control or a blockage in the flow of hot water. It is important to address this error code promptly to ensure the safe and efficient operation of the Bosch Boiler.
Bosch Boiler – Error Code E9
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Bosch Boiler – Error Code E9
Is your Bosch boiler showing up with Error Code E9 on the screen? In this article, we’ll look at why it is happening, some potential next steps for fixing error code E9 and whether you should keep using your Bosch boiler.
What is a Bosch Error Code E9?
The Bosch Boiler’s Error Code E9 means that the safety temperature limiter in the central heating flow stat has been tripped. This safety feature is designed to prevent the central heating system from overheating. When the temperature limiter is tripped, it cuts off the flow of hot water to the radiators or underfloor heating to protect the system from damage. This error code indicates that there may be an issue with the temperature control or a blockage in the flow of hot water. It is important to address this error code promptly to ensure the safe and efficient operation of the Bosch Boiler.
Recommended solution/fix steps
When you see the E9 error code on a Bosch Boiler, it means that the safety temperature limiter in the central heating (CH) flow stat has tripped. To resolve this issue, you should first turn off the boiler and allow it to cool down. Once it has cooled, check the water pressure and ensure it is within the recommended range. If the pressure is too low, you should refill the system to the correct level. Additionally, check for any airlocks in the system and bleed them if necessary. If these steps do not resolve the issue, it is recommended to contact a qualified technician or the manufacturer’s customer service for further assistance.
Fault codes that are often associated with or mistaken for error code E9 are: E0, Ei, EZ, ES, EB, Eb, El, E3, E4, E7
Can I still use my Bosch boiler?
After seeing Error Code E9 on a Bosch Boiler, the machine cannot be operated until the issue is resolved. This error indicates that the safety temperature limiter in the central heating (CH) flow stat has tripped. This safety feature is designed to prevent the boiler from overheating and causing potential damage or hazards. Therefore, it is crucial to address this issue before attempting to operate the machine again. Ignoring the error code and attempting to use the boiler could lead to further malfunctions or even pose a safety risk. It is recommended to consult the manufacturer’s manual or contact a professional technician to diagnose and fix the problem.
