BoilerFaultCodes A. Low
Your boiler is displaying a status code indicating how it has been configured to manage your heating and hot water settings, but it is not currently indicating a system failure.
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.
Technical description: Setting for appliance control (1 X: central heating modulating; 2 X: central heating high/low ext.input; X 0: central heating off, D.H.W.off; X 1: central heating on, D.H.W.on; X 2: central heating on, D.H.W.off; X 3: central heating off, D.H.W.on)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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 A. — 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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