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Old 15-03-2016, 08:19 PM   #6917
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Join Date: Jan 2015
Posts: 49,760
Gas shortage or too dusty on fan blower, maybe chemical will solve them up.

My sister house recently do the overhaul and totally solved, also gas topping else with outdoor unit clean out as well
Oh, but last July specially did chemical wash for the unit and top up refrigerant gas. Originally was still okay but recently the problem surfaced again..

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