The RH2285 server cannot be started. Log in to the BMC and check the BMC or IPMI logs. Battery failed is found in the displayed information
Open the cabinet cover and reinstall the BBU of the RAID card. Note that the blue identifiers of the D-shaped connector of the BBU must be flush.
If the BBU is damaged and cannot be replaced immediately onsite, and services need to run properly or key data needs to be backed up, remove the BBU and change the RAID card attribute in WEBBIOS to write through. However, it is not recommended for a long term.