am sorry if my english is not good
i got LG GR-359SQ MULTI AIR FLOW the freezer looks fine but the refrigerator part is warm then I took the cover off and I sow massive ice build up on the lower part of the evaporator tube or evaporator coil then I defrost the ice with hot water its worked good but again after 20 days happen same problem again I defrost until now three times happening same problem plizz help me if anybody knows the problem