Cisco CISCO3825-AC-IP Hardware Guide - Page 76

Error Messages

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Error Messages This is an example of the output of the show environment command for a Cisco 3845 router that has one AC power supply with IP phone power output installed: Router# show environment SYS PS1 is present Fan status: Normal Input Voltage status: Normal DC Output Voltage status: Normal Type: AC Thermal status: Normal SYS PS2 is absent AUX (-48V) PS1 is present AUX (-48V) PS2 is absent Fan 1 Normal Fan 2 Normal Fan 3 Normal Fan Speed is Normal Alert settings: Intake temperature warning: Enabled, Threshold: 50 Core temperature warning: Enabled, Threshold: 70 (CPU: 90) Board Temperature: Normal Internal-ambient temperature = 31, Normal CPU temperature = 50, Normal Intake temperature = 25, Normal Backplane temperature = 24, Normal Voltage 1(3300) is Normal, Current voltage = 3284 mV Voltage 2(5150) is Normal, Current voltage = 5210 mV Voltage 3(2500) is Normal, Current voltage = 2549 mV Voltage 4(1200) is Normal, Current voltage = 1215 mV Error Messages This section describes error messages that may appear on an external console screen. (For more information about consoles, see the "Connecting a Console or Modem" section on page 29 of "Connecting Cables to Cisco 3800 Series Routers.") Cisco IOS software checks the system once every 30 seconds. If an error still exists, the error message is displayed again; if the error has cleared, a recovery message is displayed. Error Message System detected OVERTEMPERATURE condition. Please resolve cooling problem immediately! Explanation The router is operating at a temperature higher than the user-set threshold, possibly caused by fan failure, air-conditioning failure in the room, or air blockage to cooling vents. Recommended Action Make sure that the ambient room temperature does not exceed 40 degrees C and that airflow to the router is not blocked. See the "Site Environment" section on page 4 and the "Equipment Racks" section on page 5 of "Preinstallation Requirements and Planning for Cisco 3800 Series Routers." If this condition persists, the power-supply thermal monitor automatically shuts down the router. Call your Cisco technical support representative for help, if necessary. Troubleshooting Cisco 3800 Series Routers 46 OL-5972-01

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Error Messages
46
Troubleshooting Cisco 3800 Series Routers
OL-5972-01
This is an example of the output of the
show environment
command for a Cisco 3845 router that has
one AC power supply with IP phone power output installed:
Router#
show environment
SYS PS1 is present
Fan status: Normal
Input Voltage status: Normal
DC Output Voltage status: Normal
Type: AC
Thermal status: Normal
SYS PS2 is absent
AUX (-48V) PS1 is present
AUX (-48V) PS2 is absent
Fan 1 Normal
Fan 2 Normal
Fan 3 Normal
Fan Speed is Normal
Alert settings:
Intake temperature warning: Enabled, Threshold: 50
Core temperature warning: Enabled, Threshold: 70 (CPU: 90)
Board Temperature: Normal
Internal-ambient temperature = 31, Normal
CPU temperature = 50, Normal
Intake temperature = 25, Normal
Backplane temperature = 24, Normal
Voltage 1(3300) is Normal, Current voltage = 3284 mV
Voltage 2(5150) is Normal, Current voltage = 5210 mV
Voltage 3(2500) is Normal, Current voltage = 2549 mV
Voltage 4(1200) is Normal, Current voltage = 1215 mV
Error Messages
This section describes error messages that may appear on an external console screen. (For more
information about consoles, see the
“Connecting a Console or Modem” section on page 29
of
“
Connecting Cables to Cisco 3800 Series Routers
.”)
Cisco IOS software checks the system once every 30 seconds. If an error still exists, the error message
is displayed again; if the error has cleared, a recovery message is displayed.
Error Message
System detected OVERTEMPERATURE condition. Please resolve cooling
problem immediately!
Explanation
The router is operating at a temperature higher than the user-set threshold, possibly
caused by fan failure, air-conditioning failure in the room, or air blockage to cooling vents.
Recommended Action
Make sure that the ambient room temperature does not exceed 40 degrees C
and that airflow to the router is not blocked. See the
“Site Environment” section on page 4
and the
“Equipment Racks” section on page 5
of “
Preinstallation Requirements and Planning for
Cisco 3800 Series Routers
.”
If this condition persists, the power-supply thermal monitor automatically shuts down the router.
Call your Cisco technical support representative for help, if necessary.