Potterton Overheat condition Fault Code
Also written as OVERHEATCONDITION — same fault.
The Potterton Overheat condition fault code means: your boiler has detected that it is getting too hot and has automatically shut itself down to prevent damage, requiring a professional check to ensure it is safe to use again.. It appears on 6 Potterton models in our database.
Technical description: The LED will go to flashing Red. Requires manual re-setting at the overheat thermostat.
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 Overheat condition fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton Overheat condition 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