FERcondens 25 HE keeps flashing A 21
FERcondens 25 HE keeps flashing A 21 keeps flashing A 21 and no heating no hot water boiler will not fire
Es esta una buena pregunta?
Puntuación
0
321549
1 Respuesta
Solución Elegida
Rep: 781.6mil
1.1mil
893
2.3mil
@patalun error code A21 is a poor combustion fault and it is generated by fault F20 generated 6 times in the last 10 minutes. Fault F20 is a Combustion control fault possible causes are:
Fan fault to alleviate check the fan and fan wiring
Wrong flue restrictor to alleviate check the flue restrictor and replace it
Flue not correctly sized or obstructed to alleviate check the flue
This should give you something to work with.
Fue útil esta respuesta?
Puntuación
1
