POWER CORE User Manual Version: V6.0.0/5 429/45921. Trouble-shooting21.2 Hardware & Power Issues21.2.1 Exchanging the Internal SD CardThe Operating System (OS) and all configuration data is stored on an exchangeable SD card inside the unit. Thismeans that if you need to replace your POWER CORE, you can exchange the SD cards to keep all your existingdata. This avoids having to re-load the system configuration and check the firmware revisions.For more information on this procedure, please contact your local Lawo representative or emailsupport@lawo.com.