BoilerFaultCodesYour boiler is currently performing its normal cleaning cycle to clear any gases before or after it burns fuel.
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: Pre-purge: before start-up, the boiler is purged for 3 seconds. Post-purge: when the heat demand has been met, the fan continues to operate for another 10 seconds.
What causes this fault?
This is a normal part of the boiler's operation and does not indicate a breakdown. It occurs because the fan needs to spin to clear out any leftover fumes before the boiler lights or after it has finished heating your home to ensure safe operation.
DIY fix possible
Observe the display for a few seconds to see if it changes to a standard operating temperatureEnsure there is a demand for heating or hot waterCheck if the display moves to code 3 or 4 which indicates normal ignition
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A boiler cover plan would cover faults like 1 — no call-out fees, no surprises.
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