S.31 Low
Your boiler is not providing heating because the central heating control knob on the front panel has been turned to the 'off' position.
Technical description: Central heating thermostat knob turned off
Typical repair cost: £0 (including labour)
DIY fix possible
Locate the central heating control knob (usually marked with a radiator symbol) on the front of the boiler.Turn the knob clockwise to the desired temperature setting.Check if the display changes and the boiler begins its ignition sequence.
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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