For letter followed by six digits: The first letter represents the month, and the next two digits represent the year.Once you have identified the format of the serial number, you can use the following table to decode the information: The first two letters represent the manufacturing plant, the next six digits represent the production date, and the final letter represents the revision code. Two letters followed by six digits followed by a letter: This format has been used since 1990 and includes additional information about the appliance, such as the model number and revision code.The first two letters represent the month and year of production (AT=January 1980, FJ=June 1985, etc.). Two letters followed by six digits: This format was used from 1980 to 1990 and also identifies the manufacturing date.
The first letter represents the month (A=January, B=February, etc.), and the next two digits represent the year (72=1972, 80=1980). GE serial numbers may use several different formats, depending on the age and type of the appliance. Step 2: Identify the Serial Number Format