Switch Blade on Brocade X6 switch went offline with Error code faulty (28)

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Visibility:: Public

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Category:: fabric-interconnect-and-management-switches

Specialty:: brocade

Last Updated:

Applies to

Brocade X68
Brocade FC32-48 Port Blade
Brocade Fabric OS (FOS)

Issue

Slot 10 lost power unexpectedly, and when the switch attempted to reset it, the operation failed

Slot Blade Type ID Model Name Status
-------------------------------------------------------------------------
Dec 14 06:21:12 Unknown 2025
1 CP_BLADE 175 Unknown ENABLED
2 CP_BLADE 175 Unknown ENABLED
3 SW_BLADE 178 Unknown ENABLED
4 SW_BLADE 178 Unknown ENABLED
5 SW_BLADE 178 Unknown ENABLED
6 SW_BLADE 178 Unknown ENABLED
7 CORE_BLADE 177 Unknown ENABLED
8 CORE_BLADE 177 Unknown ENABLED
9 SW_BLADE 178 Unknown ENABLED
10 SW_BLADE 178 Unknown FAULTY (28)*
11 SW_BLADE 178 Unknown ENABLED
12 SW_BLADE 178 Unknown ENABLED
*******************************************

Errdump log on switch reports below events-

2025/12/14-00:31:04 (IST), [EM-1009], 3230579, SLOT 2 | FFDC | CHASSIS, CRITICAL, Switch, Slot 10 powered down unexpectedly.
2025/12/14-00:31:04 (IST), [EM-1069], 3230580, SLOT 2 | CHASSIS, INFO, Switch, Slot 10 is being powered off.
2025/12/14-00:31:04 (IST), [EM-1043], 3230581, SLOT 2 | CHASSIS, WARNING, Switch, Can't power Slot 10 off (-4).

Reseating of the blade should be attempted first to fix it.
If issue persists, proceed to the solution section.