BoilerFaultCodesPotterton E83462 Fault Code
The Potterton E83462 fault code means: your boiler has detected a communication failure or a malfunction with the gas valve, meaning it cannot safely light the flame to provide heating or hot water.. It appears on 1 Potterton model in our database.
Technical description: Gas Valve Assembly c/w 3 off ‘O’Rings
What causes the Potterton E83462 fault?
This fault occurs when the boiler's main control board loses its electronic link with the gas valve or detects that the valve is failing to open correctly. The most common reason is an internal electrical failure within the valve assembly itself or a loose connection in the wiring harness that prevents the command to release gas from being received.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Potterton models that show the E83462 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton E83462 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 27 April 2026