Skip to main content

50020303 : Not reading device on system management (I2C) bus [arg1]. I/O module [arg2] communication is offline.

Not reading device on system management (I2C) bus [arg1]. I/O module [arg2] communication is offline.

The Chassis Management Module is not able to communicate with the I/O module on the I2C bus.

Severity​

Error

Alert Category​

Chassis/System Management (Critical)

Log Source​

IOMod_03

Serviceable​

Yes

Recoverable​

Yes

Chassis LED that is Lit​

Chassis Fault

CIM Information​

Prefix:CMM

and ID:0128

SNMP Trap ID​

mmTrapChassisC

Automatically Notify Support​

Yes

User Response​

Perform a service-level reset of the I/O module. If the problem remains, replace the I/O module.