Firstly, You should distinguish if your REF has a display panel on the door. If don’t, please control your REF on the basis of left steps. And if it has, please control your REF on the basis of right steps.
Tips: When South Asia come into monsoon, the air are moist and hot. Because of the different temperature and moist air, it is easily to be frost in the freezer. So in this period, you’d better change your thermostat to be low position which can decrease the different temperature between the inside and outside of the freezer.