E1-64 High
Your boiler has sensed a flame inside the system before it was even supposed to start up, causing it to shut down for safety.
Technical description: Flame detected before burner operation – try resetting the boiler
Typical repair cost: £120-350 (including labour)
DIY fix possible
Locate the reset button on your boiler's control panelPress and hold the reset button for five secondsWait for the boiler to restart and check if the error reappears
Protect yourself from future repair bills
A boiler cover plan would cover faults like E1-64 — no call-out fees, no surprises.
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Parts commonly replaced
- Ionisation electrode
- Gas valve
- Printed Circuit Board (PCB)
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