H3C SR6608/6604 Routers Installation Manual
Chapter 9 Troubleshooting
9-8
9.9 Troubleshooting the Cooling System
I. Symptom
When the temperature inside the router exceeds 75°C (167°F), the following
information appears on the configuration terminal screen:
%May 14 21:37:35:271 2000 H3C DRVMSG/3/Temp2High:
Environment temperature too high in Slot 0, index is 2.
#May 14 21:37:35:713 2000 H3C DEV/1/BOARD TEMPERATURE UPPER:
Trap 1.3.6.1.4.1.2011.2.23.1.12.1.16<hwBoaardTemperatureHigher>: frame
Index is 0, slot Index 0.0
%May 14 21:37:35:713 2000 H3C DEV/4/BOARD TEMP TOOHIGH:
Board temperature is too high on Frame 0 Slot 0, type is MPU.
This indicates that the temperature inside the router exceeds the upper limit 75°C
(167°F). In this case, the fans should run at full speed.
Normally, when the temperature inside the router comes down below 75°C (167°F), the
following information appears on the configuration terminal screen:
%May 14 22:25:17:804 2000 H3C DRVMSG/3/TempHOK:
Environment temperature recovered from OT in Slot 0, index is 2.
#May 14 22:25:18:713 2000 H3C DEV/1/BOARD TEMPERATURE NORMAL:
Trap
1.3.6.1.4.1.2011.2.23.1.12.1.17<hwBoaardTemperatureFormHigherToNormal>: fr
ameIndex is 0, slotIndex 0.0
%May 14 22:25:18:713 2000 H3C DEV/4/BOARD TEMP NORMAL:
Board temperature changes to normal on Frame 0 Slot 0, type is MPU.
This indicates the temperature in the router has come back to the normal range.
If the temperature inside the router keeps rising and exceeds 90°C (194°F), the
following information appears on the configuration terminal screen:
%Jun 25 14:38:45:444 2007 H3C DRVMSG/3/TempCritical:
CPU temperature critical in Slot 3, index is 1.
The ALM LED of the RPE-X1 is red. This indicates that the temperature inside the
router is abnormal.
II. Solution
Check that:
z
The fans are running normally.
z
The working environment of the router is well ventilated.