Pegasus R6, R4 Product Manual
116
Overheating
Overheating is a potentially serious condition because the excessively high
temperatures can lead to physical drive failure and controller malfunction.
Overheating usually results from:
•Fan failure
• Inadequate air circulation around the subsystem
Fan Failure
The larger fan on the back of the Pegasus unit cools the physical drives and the
RAID controller. The smaller fan cools power supply. Cooling fans are not field-
replaceable. If there is any problem with a cooling fan, contact Technical Support
to make arrangements for a repair.
Figure 8. Pegasus cooling fans
Inadequate Air Circulation
Air circulation around the Pegasus unit might be a more complex problem. Check
for these conditions:
• Accumulated dust or objects blocking the fans
• Less than a minimum of 13 cm (5 inches) space between the back of the unit
and the wall or other object
• Ambient temperature above 35°C (95°F) where the unit is operating
Disk Drive
Cooling Fan
Power Supply
Cooling Fan
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