Table 8. Fault conditions (continued)
Status Severity
RAID error Fault– critical
CFF interface module fault Fault– critical
CFF interface module removed Warning
Drive power control fault Fault– critical–loss of disk power
Insufcient power available Warning
1. The enclosure will continue operating, requiring an administrator to take appropriate action; such as
replacing a PSU or reducing the room temperature. Alarm messages are signaled by the SES pages
(page 29).
2. An alarm is not issued for this status and severity condition.
3. The enclosure will take action; such as shutting down in order to protect the enclosure’s data content.
Alarm messages are signaled by the SES pages (page 29).
PSU and system fan faults
Symptom Cause Recommended action
Front panel Module Fault LED is
amber
1
Any power fault Verify AC mains connections to
the PSU are live
Amber LED is illuminated on fan
module
2
Fan failure Replace system fan module
1-See Figure 12 on page 15 for visual reference of front panel LEDs.
2-See Figure 13 on page 16 for visual reference of PSU LEDs. See Figure 14 on page 18 for visual
reference of system fan module LEDs.
Thermal monitoring and control
The storage enclosure system uses extensive thermal monitoring and takes a number of actions to ensure
component temperatures are kept low, and to also minimize acoustic noise.
Air flow is from the front to back of the enclosure.
Chapter 6. Troubleshooting and problem solving
59
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