E92 High
Your boiler has failed to calibrate its internal settings correctly during a self-check of the gas and air mixture.
Technical description: Combustion test alarm during auto-setting
Typical repair cost: £120-350 (including labour)
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Protect yourself from future repair bills
A boiler cover plan would cover faults like E92 — no call-out fees, no surprises.
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Parts commonly replaced
- Gas valve
- Electrode
- PCB
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