So we just put that sign on it that said, "Out of order. Come back yesterday."  And that ended up being a better joke than slushies, so we just left it there forever.
仕方なく貼り紙で ごまかしました “故障中 昨日来て下さい”  結局 フローズンドリンク以上に 好評だったので 今でも あのままです