305 0 Low
Your boiler has temporarily stopped heating water to prevent it from overheating and will automatically restart once it has cooled down.
Technical description: Boiler in hot water anti-cycle mode
Typical repair cost: £0 (including labour)
DIY fix possible
Wait up to 15 minutes for the anti-cycle timer to finishEnsure your hot water taps are fully closedCheck that the hot water temperature setting on the boiler display is not set unnecessarily high
Protect yourself from future repair bills
A boiler cover plan would cover faults like 305 0 — no call-out fees, no surprises.
*Affiliate links — we may earn a commission at no extra cost to you. Prices shown are starting prices.