E1-72 High
Your boiler has detected an internal communication error with its ignition system and has locked itself out for safety.
Technical description: SCOT flame amplifier – reset the boiler
Typical repair cost: £180-450 (including labour)
DIY fix possible
Locate the power button/reset icon on the boiler's control panelPress and hold the reset button for 5 secondsWait for the boiler to restart; if the code persists or returns immediately, you must call a Gas Safe engineer
Protect yourself from future repair bills
A boiler cover plan would cover faults like E1-72 — no call-out fees, no surprises.
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Parts commonly replaced
- Main PCB (Control Board)
- Flame Sensing Electrode
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