Your boiler is perfectly healthy and is simply waiting for a signal from your thermostat or timer to start heating up.
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.
Technical description: Standby: there is no heat demand from control system.
DIY fix possible
Check your thermostat to ensure it is set to a temperature higher than the current room temperatureEnsure your heating timer or programmer is currently set to an 'ON' periodCheck that any smart heating app you use is set to request heat
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Protect yourself from future repair bills
A boiler cover plan would cover faults like 0 — no call-out fees, no surprises.
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Remeha Quinta 30 is discontinued — time for a new one?
Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.
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