BoilerFaultCodes.com

Potterton Performa System HE Fault Codes

System Natural GasLPG 12-28 kW 2005-2012 Discontinued
GC Numbers: 41-591-1041-591-1141-591-12

Replaced by: Promax System HE

This boiler uses LED flash patterns

Count the flashes in one repeating group before the pause. That number is your fault code. Do not reset until you have noted it. How to read fault codes →

Most common fault codes

20
Your boiler has stopped working because it failed to light properly or the waste water pipe is blocked.
May be DIY safe · £100-£280
21
Your boiler has shut down because its internal safety sensors detected that it was beginning to overheat.
May be DIY safe · £100-280
22
Your boiler has detected an issue with the fan or the system that removes exhaust fumes, which has caused it to shut down for safety.
Gas Safe engineer required · £150-£350

All 19 fault codes

Code Severity Plain English
20 High Your boiler has stopped working because it failed to light properly or the waste water pipe is blocked.
21 High Your boiler has shut down because its internal safety sensors detected that it was beginning to overheat.
22 High Your boiler has detected an issue with the fan or the system that removes exhaust fumes, which has caused it to shut down for safety.
23 High Your boiler has stopped working because either there isn't enough water pressure in the system or the internal pump is unable to circulate water.
24 High Your boiler has detected a problem with its internal temperature sensors, meaning it cannot accurately measure how hot the water is and has shut down as a safety precaution.
25 High Your boiler has detected that a temperature sensor is not working correctly, which has caused the system to stop running to prevent overheating.
Air pressure switch proved neons flashing High Your boiler has stopped working because it cannot safely confirm that the fan is pushing exhaust fumes out of the flue.
Burner extinguishes after 10 seconds neon flashing High Your boiler is starting up but failing to detect that the flame has successfully lit, causing it to shut down for safety.
Fan runs at max speed neon flashing High Your boiler has likely overheated, causing it to shut down and run the fan at full speed as a safety measure to cool the internal components.
Neon4 High Your boiler has stopped working because it cannot light the flame or the internal drainage pipe is backed up with water.
Neon5 High Your boiler has shut itself down because it has detected that the water or the exhaust fumes have become too hot.
Neon6 High Your boiler has detected an issue with how it clears exhaust fumes, preventing it from firing up for safety.
Neon7 High Your boiler has detected that there is not enough water pressure or the water is not moving through the system properly.
Neon8 High Your boiler has lost track of the water temperature and has shut down as a safety precaution.
Neon9 High Your boiler has detected that a temperature sensor is not working correctly, meaning it cannot accurately measure how hot the water is.
Primary flow switch operated neon flashing High Your boiler has detected that water is not circulating correctly through the system, causing the safety mechanism to stop the heater.
Section J (Neon Flashing) High Your boiler has got too hot and has automatically shut down to prevent damage.
Section M (Neon Flashing) High Your boiler has switched itself off because it has detected that the exhaust gases have become too hot, which is a safety protection measure.
Spark at ignition electrodes neon flashing High Your boiler is trying to light itself but failing to detect a flame, meaning your heating and hot water will not work.

Potterton Performa System HE is discontinued — time for a new one?

Parts for discontinued models can be hard to find and expensive. A new A-rated boiler could save you money on both repairs and energy bills.

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