Power Cooling Module Faults; Thermal Monitoring And Control - Lenovo Storage D1212 Hardware Installation And Maintenance Manual

Table 19. Alarm Conditions (continued)
Status
Enclosure configuration error (VPD)
Low warning temperature alert
High warning temperature alert
Over-temperature alarm
2
I C bus failure
Ops panel communication error (I
RAID error
SBB interface module fault- no
functionning modules remaining
SBB interface module removed
Drive power control fault
Drive power control fault
Drive removed
Insufficient power available
For details on how to remove and replace a module see Chapter 6 "Module Removal and Replacement" on
page 75.

Power Cooling Module Faults

Symptom
Ops panel module fault LED amber
Fan fail LED is illuminated on PCM

Thermal Monitoring and Control

The enclosure system uses extensive thermal monitoring and takes a number of actions to ensure that
component temperatures are kept low and also to minimize acoustic noise. Air flow is from the front to the
rear of the enclosure.
Severity
Fault - critical
Warning
Warning
Fault - critical
Fault - loss of redundancy
2
C) Critical fault
Fault - critical
Fault - critical
Warning
Warning - no loss of drive power
Fault - critical - loss of drive power
Warining
Warning
Cause
Any power fault.
A fan failure
Action
Check that AC mains connections to
PCM are live.
Replace PCM.
.
Chapter 5 Troubleshooting and Problem Solving
OPs Panel LED
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
Module Fault
63