BoilerFaultCodesPotterton E153 Fault Code
The Potterton E153 fault code means: your boiler's computer has temporarily locked itself because the reset button was pressed too many times in a short period.. It appears on 4 Potterton models in our database.
Technical description: Internal boiler control board error / Reset button pressed too many times
What causes the Potterton E153 fault?
This fault occurs when the boiler's internal computer registers too many reset attempts within a five-minute window, causing it to freeze for luxury and safety reasons. It is usually triggered by a homeowner trying to clear a different, underlying fault code repeatedly without fixing the actual problem. The boiler essentially enters a 'timed lockout' to protect the electronic components from further interference.
DIY fix possible
Turn the power to the boiler off at the fused spur switch (the wall switch).Wait for approximately 5 to 10 minutes to allow the internal memory to clear.Turn the power back on and wait for the boiler to complete its start-up sequence without touching the reset button.
Find a Gas Safe engineer
Search the official register for a qualified engineer in your area.
Gas Safe Register →Potterton models that show the E153 fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Potterton E153 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