B286F0803 : Management controller unavailable asserted

Severity​

Warning

Serviceable​

Yes

Automatically Notify Support​

No

User Action​

Complete the following steps until the problem is solved:

1. Do an AC to the machine.
2. If the problem persists, check whether the BIOS firmware is the latest. If no, update it to the latest version.
3. If the problem persists, collect service data log from the BMC Web interface and contact Lenovo Support.