Potterton Promax 15 & 24 Fault Codes
System Natural Gas 15-24 kW 2006-2012 Discontinued
GC Numbers: 41-591-6241-591-63
Replaced by: Promax Ultra System
The fault code is already on your display
Note it down before pressing reset — resetting clears the code immediately. How to read fault codes →
Most common fault codes
No Switched Live PUMP FEED SWITCHED LIVE
Your boiler is not receiving the electrical signal from your thermostat or programmer telling it to turn on.
May be DIY safe · £80-200
Your boiler is unable to send power to the water pump, which means it cannot circulate heat around your home and has shut down for safety.
Gas Safe engineer required · £180-£450
Your boiler is not receiving the electrical signal from your thermostat or timer telling it to turn on.
May be DIY safe · £80-250
All 3 fault codes
Potterton Promax 15 & 24 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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