Mel_Ev_Temp_Sensor_Fail - 0X281C; Mel_Ev_Temp_Sensor_Missing - 0X281D; Mel_Ev_Esm_Version_Mismatch - 0X281E - Lenovo ThinkSystem DE Series Hardware Installation And Maintenance Manual

Event Specific Data - Optional data is provided with this event.
MEL_SYMBOL_DATA_SLOTNUMBER
RecoveryFailureType - REC_NOMINAL_TEMP_EXCEEDED ( nominalTempExceeded.html )

MEL_EV_TEMP_SENSOR_FAIL - 0x281C

This event occurs when: A controller detects that a temperature sensor has transitioned to a failed status.
Event Name - Temperature Sensor Failed
Event description: Maximum temperature exceeded
Event Group - Sub System Monitor
Event Priority - CRITICAL_EVENT
Log Group - System (0x0)
Event Category - Failure (0x2)
Event Component Type - Enclosure (0x0, 0xA)
Event Specific Data - Optional data is provided with this event.
MEL_SYMBOL_DATA_SLOTNUMBER
RecoveryFailureType - REC_MAX_TEMP_EXCEEDED ( maxTempExceeded.html )

MEL_EV_TEMP_SENSOR_MISSING - 0x281D

This event occurs when: A controller detects that a temperature sensor is missing. This event is logged in the
temp sensor is missing which means an SES in an enclosure is missing. The user should check the enclosure
to make sure both SES components are installed. A different event is A temp sensor is present but failed.
Event Name - Temperature Sensor Missing
Event description: Temperature sensor removed
Event Group - Sub System Monitor
Event Priority - CRITICAL_EVENT
Log Group - System (0x0)
Event Category - Failure (0x2)
Event Component Type - Enclosure (0x0, 0xA)
Event Specific Data - Optional data is provided with this event.
MEL_SYMBOL_DATA_SLOTNUMBER
RecoveryFailureType - REC_REMOVED_TEMP_SENSOR ( removedSupportCRU.html )

MEL_EV_ESM_VERSION_MISMATCH - 0x281E

This event occurs when: A controller detects that two IOMs (ESMs) do not have the same version of firmware
running.
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ThinkSystem DE Series Hardware Installation and Maintenance Guide for 2U Enclosures