I have a LG elect double oven free standing range. The customer complains that the lower oven never baked correctly. Things raw on bottom, cakes don't rise, etc... Upper over works properly. I checked the oven sensor at room temp 1088 ohms. Oven pre heats and cycles between broil and bake elements. Both elements are good. Oven seems to heat up to correct temp... I get this compliant complaint a lot on newer ranges even when oven temps seem to right on. Customer quote "Doesn't cook like my old stove!".