Digital Equipment StorageWorks UltraSCSI DS-BA370 Series, User Manual

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Environmental Monitoring Unit (EMU)
3–20 UltraSCSI RAID Enclosure
Table 3–6 EMU Status Displays (Continued)
EMU Status EMU LED Display
Missing Blower Fault
or
Multiple Blower Faults
Operational blowers are running at
high speed.
1 2 3 4
5 6 7 8
CXO5782A
Probable Cause 1—A blower is removed. Replace the missing blower.
Probable Cause 2—All blowers in one bank are not operating. Remove and install blowers
correctly within 8 minutes.
Probable Cause 3—Multiple blowers are installed incorrectly. Remove and install blowers
correctly within 8 minutes.
Comment—In this example, one of the following conditions exists in Bank 1:
•
A blower is removed.
or
•
Two or more blowers are not operating.
Failure to replace the missing blower within 8 minutes can result in the enclosure entering the
standby power mode.
Configuration Error
1 2 3 4
5 6 7 8
CXO5783A
Probable Cause 1—Configuration error. See “Configuration Fault Code Reporting” for the
specific error condition.
Probable Cause 2—Slave EMU cannot communicate with Master EMU. See “Configuration
Fault Code Reporting” for the specific error condition.
Probable Cause 3—External SHELF_OK signal indicates error. See “Configuration Fault Code
Reporting” for the specific error condition.