Cause: Option error comes when an error detected by the option card. An option error means that the specific functionality or integrity of an installed option card is compromised. The card might be failing its internal self-diagnostics, or it might be experiencing a problem that prevents it from performing its intended function.

er5 Option error fault in fuji FRENIC MEGA drive indicates Option error. This means the option card itself has detected an internal error or is malfunctioning, even if the communication link might be physically sound.

• Power Cycle the Drive.
• Re-seat the Option Card.
• Inspect the Option Card and Slot.
• Try a Different Slot or Card (if multiple/spares).