Error codes konica minolta

Code: C265A
Description:
Main backup media wrongly installation. The ERB/1 and ERB/2 are mounted in a reverse direction.
Causes:
• Back up board/1 (ERB/1) • Back up board/2 (ERB/2)
Remedy:
1. Check to see if the ERB/1 and ERB/2 are mounted in a reverse direction. 2. Check the type of the installed ERB and replace it if it is a wrong one. 3. Replace ERB. (ERB/1 / ERB/2)