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Keston C40 and C55 boiler fault and error codes

Do you have a faulty Keston boiler? MR Boiler Repairs is the UK’s leading boiler repair and service specialist, providing support for domestic, commercial and residential properties. Our low cost fixed price repair service will provide you with peace of mind and avoid any scary repair bills.

Are you experiencing a fault with your Keston C40 or C55 boiler? In the event of a fault causing a boiler shutdown the display will show an error message “E nn”

Error and fault codes for the Keston C40 and C55 boilers

E00     Flame detection when not expected

E02     No ignition after restart

E03     Gas valve faulty or not connected 

E04     Power has been reset whilst boiler was in lockout

E11     Internal electronics error

E18     Flow overheat

E19     Maximum return temperature 

E25     Flow overheat

E30     Difference between flow and return temperatures too high

E31     Flow thermistor short circuit

E32     Return thermistor short circuit

E36     Flow thermistor open circuit

E37     Return thermistor open circuit

E44     Low water pressure

If you need a service engineer to repair your boiler then book a boiler repair today.

 

Keston Boiler Manuals / Instructions

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