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Chapter 2 Alarm Troubleshooting
If the alarm does not clear, log into the Technical Support Website at http://www.cisco.com/techsupport
Step 2
for more information or call Cisco TAC (1 800 553-2447).
2.6.61 FAN-FAIL
The Fan Failure alarm occurs when two or more fans (out of a total of six) have failed. The
ONS 15600 SDH has no standby fan. All fans should be active. The FAN-FAIL alarm can be
accompanied by the
raised in conjunction with a
Clear the FAN-FAIL Alarm
If the
Step 1
MFGMEM (FAN) Alarm" procedure on page
If the alarm does not clear, check the condition of the air filter to see if it needs cleaning or replacement
Step 2
using the procedure located in the "Maintain the Node" chapter in the Cisco ONS 15600 SDH Procedure
Guide.
Always use the supplied electrostatic discharge wristband when working with a powered
Caution
ONS 15600 SDH. Plug the wristband cable into the ESD jack located on the lower-right edge of the shelf
assembly.
If the alarm does not clear and if the filter is clean, remove the reporting fan trays from the
Step 3
ONS 15600 SDH.
Reinsert the fan trays, making sure you can hear the fans start operating.
Step 4
Fans should run immediately when correctly inserted.
If the alarm does not clear or if the fans do not run, replace the fan trays using the procedure located in
Step 5
the "Maintain the Node" chapter in the Cisco ONS 15600 SDH Procedure Guide.
If the alarm does not clear or if the replacement fan trays do not operate correctly, log into the Technical
Step 6
Support Website at http://www.cisco.com/techsupport for more information or call Cisco TAC (1 800
553-2447) to report a Service-Affecting (SA) problem.
2.6.62 FAN-FAIL-PARTIAL
The Partial Fan Failure alarm occurs when one of the six fans in the shelf fails.
July 2010
Default Severity: Critical (CR), Service-Affecting (SA)
Logical Object: FAN
"MFGMEM (FAN)" alarm on page 2-96
"PWR" alarm on page
"MFGMEM (FAN)" alarm on page 2-96
Default Severity: Major (MJ), Non-Service-Affecting (NSA)
Logical Object: FAN
against the fan. This alarm can also be
2-103.
is also reported against the fan, complete the
2-96.
Cisco ONS 15600 SDH Troubleshooting Guide, R8.0
2.6.61 FAN-FAIL
"Clear the
2-57
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Table of Contents
Troubleshooting
