Medium
é 10 on Remeha Avanta 18V

Your boiler has detected trapped air or a water flow issue and is running a temporary automatic process to clear it before attempting to heat up again.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

Error code requiring 3 minute venting cycle before restart.

From this model's manual
Verified against the Remeha Avanta 18v installation & service manual, page 48.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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