The way to replace the parts of 18500/18800/18800F/HVS85T/HVS88T is the same as S5600T/S5800T/S6800T.
After the BBU is replaced, log in to the DeviceManager, and click Query. Check whether Recovered At of the event related to the fault of the BBU module is displayed.
Yes => No further action is required.
No => 4.
Collect related event information, and send it to technical support engineers for further handling.
Other scenarios
Please contact technical support engineers for further handling.