Where is the service code of Haier drum washing machine?

The service code of Haier drum washing machine is generally located on the back cover or both sides of the machine. According to the relevant public information, the service code is the unique identification of each washing machine, which compresses the information of washing machine model, factory date, production place and so on, so it is convenient for technicians to inquire about the relevant information of washing machine, so putting the service code outside the machine can make it easier for technicians to check.