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Table 45: Causes and Remedies for Temperature Alarms
Cause
Ambient temperature is above
threshold temperature.
Fan module or fan tray has
failed.
Restricted airflow through the
switch due to insufficient
clearance around the installed
switch.
Remedy
Ensure that the ambient temperature is within the threshold temperature limit.
Environmental Requirements and Specifications for EX Series Switches
See
Perform the following steps:
1. Check the fan.
2. Replace the faulty fan module or fan tray.
3. If the above two checks show no problems, open a support case using the
Case Manager link at
https:/ /www.juniper.net/support/
1-888-314-5822 (toll-free within the United States and Canada) or
1-408-745-9500 (from outside the United States).
Ensure that there is sufficient clearance around the installed switch.
.
or call
210
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