(3) EC specification
FR-A740-00023 to 00620-EC
FR-A740-00770 to 12120-EC*
* For the FR-A740-00770 to 12120-EC
Check the SERIAL indicated on the serial number sticker shown below.
Serial number sticker example
Control unit type
The SERIAL consists of one symbol, two characters
indicating production year and month, and three
characters indicating control number.
The last digit of the production year is indicated as the
Year, and the Month is indicated by 1 to 9, X (October),
Y (November), or Z (December.)
• To check the SERIAL, the front cover must be removed.
For the removal of the front cover, refer to the Inverter Manual.
(the first three digits)
E67 or later
D67 or later