
Chapter 7      Maintaining the Router
Removing and Replacing the Optional 2-Level AC-Input Power Shelf
7-58
Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
  • TEMP (yellow)—Indicates that the power supply 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 blower modules are operating properly, replace the existing power 
supply with a spare.
  • TEMP (flashing yellow—2500 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 anything that may be 
obstructing the fan.
 –
If the fan is not operating, replace the power supply.
  • ILIM (2000 W PEM only) (yellow)—Indicates the power supply is operating 
in a current-limiting condition.
 –
Each power cord should be connected to a dedicated AC power source. 
Each AC power supply operating in the nominal range of 200 to 240 VAC 
requires a minimum service of 20 A, North America (or 13 A, 
international).