What does the Alpha 43 fault code mean?

Your boiler is struggling to keep its internal flame lit while it is running, likely because it is having trouble breathing due to strong winds or a blockage in its external exhaust pipe.

How much does it cost to fix Alpha error code 43?

Typical repair cost for the Alpha 43 fault is £120-250 including labour.

Alpha 43 Fault Code: What It Means & How to Fix It

Technical description

Loss of flame rectification. Repeated loss of flame signal during operation. This fault can occur if the flue is exposed to high wind conditions (shown as E38 in the fault code history in the INFO menu)

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Related fault codes

E38View →

Your boiler is struggling to keep its internal flame lit while it is running, likely because it is having trouble breathing due to strong winds or a blockage in its external exhaust pipe.

Technical description

Engineer required

Related fault codes

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