BoilerFaultCodesPotterton Kingfisher MF RSL Fault Codes
Regular Natural Gas 11.7-35.1 kW 2001-2007 Discontinued
GC Numbers: 41-591-1441-591-1541-591-1641-591-1741-591-1841-591-19
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 (Lockout) Red LED illuminated (Overheat) Red LED is 'ON'
Your boiler has shut down because a safety sensor has detected that dangerous exhaust fumes are not escaping through the chimney correctly.
Gas Safe engineer required · £100-250
Your boiler has become too hot and has automatically shut itself down to prevent damage or safety issues.
May be DIY safe · £90-250
Your boiler has detected an internal electrical or safety fault and has stopped running to prevent damage.
Gas Safe engineer required · £120-280
All 3 fault codes
Potterton Kingfisher MF RSL 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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