房子裏的 dish washer 是二十多年前的原裝:GE model GSD6660G03SS
房客(說是第一次用後)發來問題:"the Cascade packet wasn't dissolved and the dishes weren't very clean". 買房的時候做過 inspection and the appliances should work。 當然 inspector 應該沒有 run a full cycle.
請問這個大概是什麽原因?值得請人去修嗎?謝謝!