Error Code 2563 - Danfoss Vlt
Turn the main power off and wait for the display to go completely dark (at least 4–15 minutes depending on the drive size to allow capacitors to discharge) before restarting. Check Connections:
During the boot-up sequence, the drive may briefly display a firmware version or software ID, which could look like "2563". Danfoss Vlt Error Code 2563