How to return a bad coin from a coin selector

摘要

A method for returning a coin to a coin selector according to the present invention comprises the steps of: inputting a coin, inputting a call from the coin, inputting a call from the coin, inputting a return signal, If all the coins are returned, the coins are put in the state where no input from the coin is inputted due to a failure in the inserted coins, so that the coins are returned and the coins are returned, thereby eliminating the troubles of selecting and re-.