Danfoss · VLT 2800 Variable Speed Drive
This fault indicates that the software version on either the control card or the BMC2 is below the minimum required for proper operation or compatibility. This can lead to system malfunctions, feature limitations, or communication failures within the drive. An update or replacement might be necessary.
Click steps to track your progress.
1. Check the currently installed software versions for both the control card and the BMC2 module via the drive's diagnostic menu.
2. Download the latest compatible firmware for the control card from the manufacturer's website and update it using the specified tool.
3. Download the latest compatible firmware for the BMC2 module from the manufacturer's website and update it using the specified tool.
4. Confirm that the hardware revision numbers for both control card and BMC2 are compatible according to the drive's documentation.