BoilerFaultCodesYour boiler is working normally and is currently waiting for a command from your thermostat to provide heating or hot water.
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: Boiler in standby mode
What causes this fault?
This code appears when the boiler has completed its previous task and is functioning exactly as it should. It signifies that the internal sensors are satisfied and the unit is simply waiting for a signal from your thermostat or timer to start back up. There is no physical fault or blockage causing this display; it is merely the boiler's way of saying it is ready for work.
DIY fix possible
Check that your room thermostat is turned up high enough to trigger the heating.Ensure your programmer or timer is set to 'On' or 'Auto'.Check that the hot water cylinder thermostat is calling for heat if you have no hot water.
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A boiler cover plan would cover faults like 000 — no call-out fees, no surprises.
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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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