BoilerFaultCodes.com
E 29 Medium

Your boiler is struggling because it has lost the connection to the temperature sensor that tells it how warm your home is, which will likely prevent the heating from turning on.

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

Technical description: Room sensor open circuit
Typical repair cost £120-200 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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