[fixit9660]

As per my OP, “I’ve had the Damper mech out and it opens and closes fine using a 12 volt supply.” It means the Control Board could be faulty as it’s not controlling the damper, but I’ve measured 12v on the wires coming from it, and if I open the Damper, reconnect it and switch on the fridge, the Control Board closes it, so the Control Board seems to be able to control the Damper is some way. It could still be the Control Board, or the Air Temperature Probe.

[fixit9660]

Hi Dave.
I’ve half opened the Damper flap and disconnected it, and the fridge is being maintained at a fairly low temperature, so there must be air coming in from the freezer. It does this with the door shut overnight, so the Return pipe must be fine too.

[fixit9660]

@electrofix: The airflow into the fridge from the freezer is fine. I can feel it easily.
@kaibart:As I said in my original post, the Damper is working fine. There’s no ice around it either.
I’ve half opened the Damper flap and disconnected it, and the fridge is being maintained at a fairly low temperature, so there must be air coming in from the freezer, so the fan and coils etc aren’t iced up. So it’s either the Air Temperature Probe or the Control Board. Anyone got a wiring schematic, or preferably a Service Manual please?

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