- 9 (4 digits)
- 1, 2, 3, 4, 5 (5 digits)
- 6 (6 digits)
Control Board PN#: 500002
Serial numbers starting with:
- 7 (6 digits)
Control Board PN#: 500016
Serial numbers starting with:
- 8, 9 (6 digits)
Control Board PN#: 500017
Serial numbers starting with:
- Y1 (4 digits)