1 green flash Low
Your boiler has reached the correct temperature and is simply taking a natural rest; it is working exactly as it should.
Technical description: Boiler temperature reached. No action required.
Typical repair cost: £0 (including labour)
DIY fix possible
Check if your room thermostat is set to the desired temperatureWait for the boiler to restart automatically when the water temperature dropsNo further action is required as this is normal operation
Protect yourself from future repair bills
A boiler cover plan would cover faults like 1 green flash — no call-out fees, no surprises.
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