Server hung with the message "Caution : Machine Environment : Power Enclosure Overheating", why ?

Solution Verified - Updated -

Issue

  • Server hung with the message below, it had to be rebooted to bring back to normal operation, why ?

    Caution : Machine Environment : Power Enclosure Overheating
    

Environment

  • Red Hat Enterprise Linux 4.7

  • HP ProLiant BladeSystem with 1U Power Enclosure.

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