E83 468 High

Potterton E83 468 Fault Code

Also written as E83468 — same fault.

The Potterton E83 468 fault code means: your boiler is failing to detect the flame needed to heat your home, likely because the sensor responsible for confirming the fire has lit has become dirty or faulty.. It appears on 1 Potterton 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: Electrode/Ionization Kit Incl.key no’s 8 & 9
Typical repair cost £150-250 (including labour)

Engineer required

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

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Potterton models that show the E83 468 fault code

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

Source

Potterton E83 468 fault code information on this page is sourced and cross-checked against the official Potterton service / installation manuals for each affected model.

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