S.31 Low
Your boiler is currently set to only provide hot water and is ignoring your request for central heating.
Technical description: No heat demand boiler in summer operating mode
Typical repair cost: £0 (including labour)
DIY fix possible
Locate the radiator symbol button or dial on the boiler control panelIncrease the heating temperature setting above 0 or 'Off' until a temperature appearsCheck that your room thermostat is turned up higher than the current room temperature
Protect yourself from future repair bills
A boiler cover plan would cover faults like S.31 — no call-out fees, no surprises.
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