BoilerFaultCodesWhat the manual says
Manufacturer manualAir in the pump - Restricted CH flow due to air or a circuit restriction
Shared across the Alpha Intec² range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
DIY fix possible
Check your boiler pressure gauge and ensure it is between 1.0 and 1.5 barBleed all radiators in your home starting from the lowest floor to the highestTop up the system pressure again to 1.5 bar if it dropped while bleedingRestart the boiler to see if the error clears
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Related fault codes
All 61 fault codes on the Intec 50CS
Seeing a different code? Every code this model can display, in one place.