Walkin have not work over yr.The freezer fan motor turn on when it is start,the fan terminator should be defective.Run over an hour,inside temp about 50 degree.
Evaporator coil just frost at frout not at the back tubing,by looking at side.
Weather at 90 suction temp #25 -7 degree evaporator suction tubing 40.
solid sight glass.Discharge pressure 260.
Please educate me what is wrong of this wqalkin.I think only the expansion valve may be the problem.Is is right?