Clean is greyed out says, Plumbing does not work of the grid. Have plumbing appliances, toilet, shower get dirty. Steps: How can we find the bug ourselves? Not sure if bug or intentional but Sim can not clean dirty pluming appliances. What expansions, game packs, and stuff packs do you have installed? All to date. What is your current game version number? 1.52.100.1020 How often does the bug occur? Every time (100%) Which language are you playing the game in? English Information, Guides and Announcements for the EA app.