BoilerFaultCodesPotterton Overheat condition Fault Code
Also written as OVERHEATCONDITION — same fault.
The Potterton Overheat condition fault code means: your boiler has become too hot and has automatically turned its pilot light off as a safety measure to prevent damage.. It appears on 4 Potterton models in our database.
Technical description: The overheat thermostat will require manual re-lighting if an overheat condition occurs (the pilot will extinguish).
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 →Avoid the next call-out bill
A cover plan would handle faults like Overheat condition: no call-out fees, no surprise bills.
Affiliate links. We may earn a commission at no extra cost to you.
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.
- Potterton Kingfisher MF 40-100 manual (PDF)
- Potterton Osprey CF 125 manual (PDF)
- Potterton Prima 30B manual (PDF)
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026