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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 7 Maintaining the Router
Removing and Replacing a DC PEM
•
TEMP (yellow)—Indicates that the PEM is in an overtemperature condition
causing a shut-down to occur.
Note
If the temp indicator is on, the fault indicator also goes on.
–
Verify that the power supply fan is operating properly.
–
Verify that the blower modules are operating properly.
–
If the power supply fan and the blower modules are operating properly,
replace the existing PEM with a spare.
•
TEMP (flashing yellow—2400 W PEM only)—Indicates that a power supply
fan is locked or malfunctioning.
Note
If the temp indicator is flashing, the fault indicator also goes on.
–
Check to see if the fan is operating. Remove any obstructions to the fan.
–
If the fan is not operational, replace the power supply.
•
OC (2400 W PEM only) (steady, or flashing yellow after 10
seconds)—Indicates the output current of the power supply has exceeded its
limit and that an overload or short circuit has occurred.
Note
If the OC indicator is on or flashing, the fault indicator also goes on.
–
Remove and then apply power to the power supply by disconnecting its
power cord.
–
If the indicator remains on, try reseating the power supply.
–
If the indicator remains on, replace the power supply.
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