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Thread: Brivis Cooler not working

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    Default Brivis Cooler not working

    I have a Brivis combined ducted heating and (refrigerated) cooling system. After a power break I can no longer select “cool” on the Wall Controller.
    Heater is MPS HE20i XA V2, Compressor is CDU11102-C240, Wall Controller is NC3-Rev06, Ceiling Controller N-G1/lo Heating Module.
    I’ve reset the NC3 but still can only get “heat”, ie the M button does nothing. The M button contacts are clean.
    The compressor is OK as it responds to an externally supplied 24Vac start signal, but the N-G1/lo doesn’t send it the 24Vac.
    The N-G1/lo does not seem to have as many items on its display as it used to have.
    Any clues as to what I should be looking for/resetting/replacing?



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    Can only find some service manual stuff...




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