50020101 : Not reading device on system management (I2C) bus [arg1]. The rear LED card in the chassis [arg2] communication is offline.

The Chassis Management Module (CMM) is not able to communicate with the rear LED card.

Severity

Error

Alert Category

Chassis/System Management (Critical)

Log Source

SERVPROC

Serviceable

Yes

Recoverable

Yes

Chassis LED that is Lit

Chassis Fault

CIM Information

Prefix:CMM

and ID:0125

SNMP Trap ID

mmTrapChassisC

Automatically Notify Support

Yes

User Response

If the chassis has one CMM, replace the CMM. If the problem remains, replace the rear LED card. As a potential temporary workaround, try to move the CMM to the other CMM bay. If the chassis has two CMMs, replace the rear LED card.