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Coolstar Pre Def lights on and it just keeps going off completely

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Posted on Jan 02, 2017

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SOURCE: our toshiba ras13 skv a

this happens when the outside temp is low, asthe outdoor unit blows cold when in heating (reverse) then the unit goes to pre def to avoid it freezing. You should hear a whoosh this is the heat being blasted to the outdoor unit to defrost it, then the heat has to build up again before the indoor unit fan runs up again and blows heat. Mine does the same every 20 mins or so (its -2 outside) brrrr
Leigh

Posted on Jan 05, 2010

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