BoilerFaultCodes.com
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

Get professional help

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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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