Event Num |Event Time          |Alarm Level |Event Code  |Event Description
1         |2026-05-15 06:13:37 |Major       |0x5D000001  |Expansion board 1 voltage (0.000 V) at 5V detection point EXU_V_STBY_5V0 is lower than the undervoltage threshold (4.5 V).
2         |2026-05-15 03:35:04 |Minor       |0x1200002F  |The front disk backplane is absent.
3         |2026-05-15 03:14:35 |Minor       |0x5D000017  |Failed to obtain temperature of the expansion board 1 Nic1.
4         |2026-05-15 03:14:34 |Major       |0x5D000001  |Expansion board 1 voltage (0.000 V) at 3.3V detection point EXU_V_STBY_3V3 is lower than the undervoltage threshold (3.0 V).
5         |2026-05-15 03:14:33 |Major       |0x2800000F  |Incorrect connection of the signal cable of the fan backplane 1.
