F2 High
Your boiler has started to fire up but the flame has gone out, meaning the system has shut down for safety.
Technical description: Flame loss
Typical repair cost: £100-£350 (including labour)
DIY fix possible
Check that your gas supply is turned on at the meterIf you have a prepay meter, check that you have remaining creditReset the boiler by pressing the reset button or turning the control knob to 'reset' and back
Protect yourself from future repair bills
A boiler cover plan would cover faults like F2 — no call-out fees, no surprises.
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Parts commonly replaced
- Flame Sensing Electrode
- Gas Valve
- Ignition Lead
- Printed Circuit Board (PCB)
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