BoilerFaultCodes.com

Potterton Performa System E Fault Codes

System Natural GasLPG 12-28 kW 2003-2007 Discontinued
GC Numbers: 41-591-1041-591-11

Replaced by: Promax System

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 failed to light or maintain a flame, meaning your heating and hot water will not work until it is reset or repaired.
May be DIY safe · £100-£280
21
Your boiler has switched itself off because it has reached an unsafe temperature and needs to cool down and be reset.
May be DIY safe · £100-250
22
Your boiler is unable to safely clear away exhaust gases, so it has shut down to prevent poor air quality in the home.
Gas Safe engineer required · £180-350

All 14 fault codes

Code Severity Plain English
20 High Your boiler has failed to light or maintain a flame, meaning your heating and hot water will not work until it is reset or repaired.
21 High Your boiler has switched itself off because it has reached an unsafe temperature and needs to cool down and be reset.
22 High Your boiler is unable to safely clear away exhaust gases, so it has shut down to prevent poor air quality in the home.
23 High Your boiler has stopped working because either the water pressure is too low or the pump that circulates water is struggling to move it around.
25 High Your boiler has stopped heating because the internal sensor that monitors the temperature of the water in your radiators has developed a fault.
Air pressure switch proved neon flashing High Your boiler has detected an issue with how air is moving through the system, preventing it from lighting safely to provide heating or hot water.
Burner output modulates neon flashing High Your boiler is struggling to detect a flame or control the gas flow properly, which means it cannot heat your home reliably.
Fan runs at max speed neon flashing High Your boiler is unable to regulate its internal temperature correctly, causing the fan to run at full power even though the heating won't start.
neon flashing High Your boiler has detected an internal electrical or mechanical fault that is preventing it from circulating water around your home.
neon illuminated Low Your boiler is currently on and operating normally as part of its internal power check.
Overheat Stat neons flashing High Your boiler has switched itself off because it has reached a temperature that is too high, often caused by a circulation problem or a blockage.
Primary flow switch operated neon flashing High Your boiler has detected that the water pressure is too low or water is not flowing correctly through the system to operate safely.
Reset neon does not extinguish High Your boiler has developed an internal electrical fault that is preventing it from restarting even after you try to reset it.
Spark at ignition electrodes neon flashing High Your boiler is trying to start but cannot light the gas to create a flame, meaning you will not have any heating or hot water.

Potterton Performa System E 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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