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Catalyst 4500 Series Switch Cisco IOS System Message Guide
OL-13091-01
Chapter 2 Messages and Recovery Procedures
IOSMODPORTMAN Messages
Error Message C4K_IOSMODPORTMAN-4-PEMBAD: Power Entry Module has failed
Explanation
The external power supply source providing PoE power is bad.
Recommended Action Check the external power supply and replace it, if necessary. This message is
most likely to occur in a system using a 1400 W DC power supply and an external power shelf
providing DC current to the DC power supply.
Error Message C4K_IOSMODPORTMAN-4-POWERSUPPLYBAD:Power Supply [dec] has failed or
been turned off
Explanation
A power supply failed or was turned off. The hardware cannot make a distinction
between the two cases.
Recommended Action Replace the power supply as soon as possible.
Error Message C4K_IOSMODPORTMAN-4-POWERSUPPLYFANBAD:Fan of power supply [dec] has
failed
Explanation
A power supply fan failed.
Recommended Action Replace the power supply as soon as possible.
Error Message C4K_IOSMODPORTMAN-4-POWERSUPPLYREMOVED:Power supply [dec] has been
removed
Explanation The power supply was removed.
Recommended Action This is an informational message only. No action is required.
Error Message C4K_IOSMODPORTMAN-4-POWERSUPPLYOUTPUTDECREASED: Power supply [dec]
output has decreased
Explanation
The power supply output decreased. This could be due to switching it off, power failure,
or some failure in the power supply.
Recommended Action This is an informational message only. No action is required.
Error Message C4K_IOSMODPORTMAN-4-TEMPHIGH: Chassis temperature is at or over
threshold - CurrentTemp: [dec]C, Threshold: [dec]C
Explanation
The chassis temperature is above the threshold. If the temperature goes above a critical
threshold, another message is logged and the system shuts down to prevent damage to the hardware.
Recommended Action Inspect the chassis and environment to determine the cause of the rise in
temperature. Cool the system.
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