E2 High

Intergas E2 Fault Code

The Intergas E2 fault code means: your boiler is detecting a flame inside before it has actually started the ignition process, which means it cannot safely turn on.. It appears on 1 Intergas model in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: Flame signal before ignition
Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Intergas models that show the E2 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Intergas E2 fault code information on this page is sourced and cross-checked against the official Intergas service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026