Troubleshooting Guide: What caused your toilet to stop working? Find Solutions Here. The concept behind the operation of a toilet is quite simple yet effective - it follows the principle of cause and effect. Every action you take, such as flushing, triggers a reaction that efficiently removes waste from the bowl. Having only one toilet in your property can be extremely frustrating when it stops working. The ceramic exterior of the toilet cistern has a design that is both simple and efficient...