High
E7 on Remeha Avanta Plus 28c

Your boiler has effectively switched itself off because it has detected that it is getting too hot inside.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Boiler temperature too high (STB): during heating flow temperature is too high

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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