Low
é0 on Remeha Avanta 28c

Your boiler is perfectly healthy and is simply resting in its normal standby state, waiting for a signal to provide heating or hot water.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

stand-by mode

From this model's manual
Verified against the Remeha Avanta 18v installation & service manual, page 46.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that your room thermostat or programmer is set to a temperature higher than the current room temperatureEnsure your hot water tap is turned on fully if you are testing for hot water

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