Cisco 12416 Installation And Configuration Manual page 335

Chapter 7 Maintaining the Router
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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
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TEMP (yellow)—Indicates that the power supply is in an overtemperature
condition, causing a shut-down to occur.
If the temp indicator is on, the fault indicator also goes on.
Note
Verify that the power supply fan is operating properly.
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Verify that the blower modules are operating properly.
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If the power supply fan and blower modules are operating properly,
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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.
If the temp indicator is flashing, the fault indicator also goes on.
Note
Check to see if the fan is operating. Remove any obstructions to the fan.
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If the fan is not operating, replace the power supply.
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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.
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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).
Removing and Replacing an AC Power Supply
7-43