Low
P (flashing) on Remeha Selecta

Your boiler is currently set to a maintenance mode rather than a heating mode, meaning it is not actively heating your water or radiators.

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

Service mode (red dot is flashing)

From this model's manual
Verified against the Broag Remeha Boiler Selecta Combi System installation & service manual.
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.

Find a Gas Safe engineer
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Avoid the next call-out bill

A cover plan would handle faults like P (flashing): no call-out fees, no surprise bills.

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