E384 High
Your boiler thinks a flame is present when there shouldn't be one, which stops it from starting up correctly for safety reasons.
Technical description: False flame.
Typical repair cost: £100-280 (including labour)
DIY fix possible
Reset the boiler by turning the selector switch to 'R' for 5 seconds and then releasing itCheck for any signs of water leaking onto the boiler or dripping from nearby pipesEnsure the boiler's electrical supply is stable and not plugged into an extension lead
Protect yourself from future repair bills
A boiler cover plan would cover faults like E384 — no call-out fees, no surprises.
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Parts commonly replaced
- Flame Sensing Electrode
- Printed Circuit Board (PCB)
- Gas Valve
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