BoilerFaultCodesPotterton Kingfisher MF 40-100 Fault Codes
Regular Natural Gas 11.7-29.3 kW 2001-2007 Discontinued
GC Numbers: 41-590-5441-590-5541-590-5641-590-5741-590-5841-590-59
Replaced by: Promax SL
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
Red LED (Illuminated) Red LED illuminated
Your boiler has shut down because it has either become too hot or detected that dangerous exhaust fumes are not escaping correctly through the chimney.
Gas Safe engineer required · £90-250
Your boiler has become too hot and has automatically shut itself down as a safety precaution.
May be DIY safe · £90-180
All 2 fault codes
Potterton Kingfisher MF 40-100 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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