Cause : Option fault comes when the AC power supply is connected to the terminal R/L1, S/L2, or T/L3 accidentally when a high power factor converter (FR-HC2) or power regeneration common converter (FR-CV) is connected (when Pr.30 Regenerative function selection = "2").

1. Appears when torque command by the plug-in option is selected using Pr.804 Torque command source selection and no plug-in option is mounted. This function is available under torque control.
2. Appears when the switch for manufacturer setting of the plug-in option is changed.
3. Appears when a communication option is connected while Pr.296 Password lock level = "0 or 100"
4. Check that the AC power supply is not connected to the terminal R/L1, S/L2, or T/L3 when a high power factor converter (FR-HC2) or power regeneration common converter (FR-CV) is connected (when Pr.30 = "2").
5. Check that the plug-in option for torque command setting is connected.
6. Check for the password lock with a setting of Pr.296 = "0, 100".
7. Check the Pr.30 setting and wiring.
8. Check for connection of the plug-in option. Check the Pr.804 setting.