Troubleshooting: Your Array 265
Troubleshooting Array Cooling Problems
CAUTION: Many repairs may only be done by a certified service technician.
You must only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
Ensure that none of the following conditions exist:
• array cover or drive blank is removed.
• Ambient temperature is too high. See “Technical Specifications” in the
Getting Started Guide
.
• External airflow is obstructed.
• The power supply/cooling fan module is removed or has failed. See
"Troubleshooting Power Supply/Cooling Fan Module" on page 264.
If the problem is not resolved, see
"Getting Help
" on page 273.
Troubleshooting Expansion Enclosure
Management Modules
CAUTION: Many repairs may only be done by a certified service technician.
You must only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
CAUTION: It is recommended that you turn off the host server before turning off
the expansion enclosure to prevent loss of data.
• If the EMM status LED is solid or blinking amber (2 or 4 times per
sequence):
a
Turn off the server.
b
Remove the EMM and verify that the pins on backplane and EMM are
not bent. See "Removing an EMM" in the
MD1200 and MD1220
Storage Enclosures Hardware Owner's Manual
.
book.book Page 265 Saturday, September 24, 2011 9:06 AM
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General
Weight and Dimensions
