It is possible that you have the wrong cooling setting selected and that is why there is no heat coming out. Double check before calling a repair person. Some users of Melon Playground may be able to open them in their app version and make further edits to them.

It is possible that you have the wrong cooling setting selected and that is why there is no heat coming out. Double check before calling a repair person. Some users of melon sandbox may be able to open them in their app version and make further edits to them.