Worcester Boiler Fault Codes – Repairs & Diagnostics in Liverpool

At Response Boiler Repairs Liverpool, we’re experts in diagnosing and repairing all Worcester Bosch boiler faults and error codes across Liverpool and surrounding areas. If your boiler is showing a fault such as EA 227, A21, or C6, our Gas Safe registered engineers can quickly identify the issue and get your heating and hot water running again safely.

Common Worcester Bosch Boiler Fault Codes

Some of the most common Worcester boiler codes we repair include:

  • EA 227 – Blocked or frozen condensate pipe
  • C6 – Fan fault or air pressure issue
  • A21 – Faulty thermostat or communication problem
  • E9 / H07 – Overheating or flow temperature fault

Whether your Worcester Greenstar, CDI, or 2000 model is showing a fault, our experienced engineers can help with same-day or next-day service.

Local Worcester Boiler Repair Specialists in Liverpool

We’re a local, family-run boiler repair company with over 20 years’ experience serving homeowners across Liverpool. Rated 4.9 stars on Google and reviewed on Trustpilot, we take pride in clean, reliable workmanship. All repairs come with a 6-month warranty for peace of mind.

Book a Worcester Fault Code Repair Today

If your Worcester boiler is showing a fault code, don’t reset it repeatedly — it may indicate a developing issue.


Call 07856 297070 or visit our Google Business Profile to book a trusted local engineer today.


We also offer Vaillant boiler fault code repairs and Baxi boiler repairs.

Worcester Boiler Fault Codes (Liverpool Repairs)

EA 227 – Ignition fault – call our Gas Safe engineers to check and repair safely.

F0 238 – Sensor issue – we’ll carry out full checks and repair with transparent pricing.

C7 214 – Fan speed fault – contact our team to keep your boiler safe and reliable.

E9 276 – Overheating detected – urgent inspection required for safety.

F1 259 – System fault – let our engineers investigate and fix the problem.

FA 306 – Ignition or flame issue – call for safe repair today.

F0 290 – Boiler detected internal fault – we’ll fault-find and repair.

A1 281 – Possible circulation issue – book a safety check and repair.

F0 242 – Temperature sensor fault – our team will restore safe operation.

CC 800 – Control system error – contact us for professional diagnostics.

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Common Questions About Worcester Boiler Faults

Worcester Boiler FAQ

What does EA 227 mean on a Worcester boiler?

EA 227 usually indicates a blocked or frozen condensate pipe. Our Gas Safe engineers in Liverpool can safely clear and reset this fault.

Can you repair a Worcester boiler with no hot water or display?

Yes. We are fully equipped with the correct tools to test sensors, fans, and PCB boards on Worcester boilers with no display or hot water.

How do I arrange a Worcester boiler repair in Liverpool?

Call our on-call local engineer on 07856 297070. From no hot water to no central heating, we provide fast, safe repairs with Gas Safe qualified engineers.

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