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Auxiliary Codes
Auxiliary Code Breakdown
The auxiliary code is the first two characters in the serial number. The first character
indicates the year. Years progress or regress in alphabetical order. The series runs from "A"
through "V" and the letters "I" and "O" are skipped. The second character indicates
significant part changes within a year. Base is "0" and this number advances for each
change. In cases where there is a letter in parentheses, this designates the month. This is
the last character in the serial number. The series runs from "(A)" through "(M)" and the
letter "(I)" is skipped. This designation is only included when identifying a parts change
within an auxiliary code.
Note About Ordering Parts
Most assemblies cannot be ordered as complete units; parts in the assemblies generally
must be ordered separately.
JWE-620UA-6B
U-1 June 2009
U-2
－
U-3 August 2009
V-0 January 2010
A-0 January 2011
A-1 May 2011
B-0 January 2012
B-1 February 2012
B-2 April 2012
B-3 April 2012