Error codes include a series of numbers and letters that are displayed on the screen and indicate the problem of the device. Error codes are programmed in many appliances, including the dishwasher. These error codes help the repairman to quickly identify problems with the dishwasher. It also helps the user of the device to report faulty information when requesting better repairs to the repairman. In the error of the dishwasher code, the error code of more than 60 Iranian and foreign brands is presented along with the meaning and how to fix the error. The method of testing the mode and resetting the dishwasher is also provided.