C1-264-Error-Code-In-Worcester-Bosch-Boilers
Most boilers today have an inbuilt error code system, which will flag up a code if it detects something isn't right with the boiler. A code, such as above, will show on the boiler's panel as a letter and several digits. The code can be cross-referenced in the boilers' handbook, outlining the cause and how to fix it. However, not every fault can be easily fixed, as some will need the help of a qualified gas-registered engineer.


One such error code is the C1 264 in Worcester Bosch Greenstar i combi boiler.
Hopefully, this blog will explore the C1 264 error code, possible causes, and necessary steps to resolve it.

The fan in a boiler plays a crucial role in supplying fresh air to the combustion chamber to guarantee correct fuel combustion. However, if things aren't right up, pops the C1 264 error code (a common fault in Worcester Bosch Greenstar i combi boilers). It signifies a problem with the fan or its circuitry, or the fan has stopped, which will trigger the error code (as a safety precaution). The PCB detects the fault inside the boiler and shuts it down.



What exactly does the fan do?

Well, it creates a gentle draft that pushes out harmful gases (produced during the combustion process) through the flue. Without the fan, gases can stay trapped inside the boiler, which is not safe.

The fan connects to an important component, the 'air pressure switch'. This switch, more like a sensor, keeps tabs on the air pressure inside the boiler. When the boiler starts, the air pressure switch detects a change in pressure caused by the fan and sends information back to the PCB. This prompts the PCB to fire up the boiler.

When the C1 264 fault code pops up, the air pressure switch detects a sudden shift in air pressure due to the fan not operating. The switch relays this information to the PCB, which promptly shuts down the boiler as a safety precaution.



Possible Causes of the C1 264 Error Code

Faulty Fan Motor
The fan motor may be defective or have an electrical issue.

Blocked Airway
Obstructions in the airway, such as debris, dirt, or dust, can hinder the fan's performance and trigger the error code.

Wiring or Connection Issues
Loose or damaged wiring connections between the fan and the boiler can disrupt the fan's operation, showing the C1 264 error.

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C1 264 Error Code Resolutions

Here are a few tips to troubleshoot and resolve the issue:

Restart the Boiler
Begin by resetting the boiler to see if the error code clears. This can be done by turning off the power supply to the boiler, waiting for a few minutes, and then turning it back on.

Check for Obstructions
Inspect the fan and surrounding areas for any visible obstructions. Gently remove any debris or dirt that may be blocking the airway.

Wiring Connections
Check to see if all wiring connections related to the fan are secure and undamaged, and this is only to be performed by a qualified Gas Safe engineer.

Professional Servicing by a Qualified Engineer
If the error code persists and the recommended troubleshooting solutions have not worked, then it's time to seek professional help. A qualified gas engineer will accurately diagnose the issue, apply a fix, or quote for a replacement part(if needed).


Preventing Future Occurrences

Regular boiler maintenance can minimise the chances of error code C1 264 error code popping up or, indeed, other boiler issues. Consider the following preventive measures:

Annual Boiler Service
Book an annual boiler servicing with a qualified Gas Safe engineer to keep your boiler in tip-top condition. The engineer will be able to identify if any other issues could lead to a possible breakdown and give recommendations. This proactive approach is a positive step towards understanding the boiler, maintaining it's optimal performance and minimising future problems.

Keep Air Vents Clear
Regularly check and clean air vents to prevent blockages to maintain sufficient airflow.

A Clean Environment
Keep the area surrounding the boiler clean and free from dust or debris that could impact the fan's operation.

At serviceteam Ltd, we understand that a sudden boiler breakdown can be a source of stress for families, especially in the middle of winter. With our emergency boiler repair service, you have a 'go-to' company for all your heating problems. Our professional team of experienced heating engineers with Gas Safe qualifications are equipped to handle all makes and models of gas, electric and combi boilers. By the way, serviceteam Ltd. is Worcester Bosch accredited installer.
You can rely on Serviceteam Ltd. for quick, reliable solutions 24/7, including Bank Holidays in and around London.

Caution: Any repairs needed inside the white box can only be legally accessed by a Gas Safe qualified engineer.