H3C Technologies H3C SR6600 - Manual (Page 94)

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Power module failures
Power LED is off
If the router cannot be powered on and the power LED on the front panel is off, it indicates that the power
module is faulty.
To troubleshoot the power module failure:
1. Verify that the power switch is turned on.
2. Verify that the power cords of the router are firmly connected.
3. Verify that the switch of the power source is turned on.
4. Verify that the power cord is not damaged.
5. If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
Red power LED is on
If the router cannot be powered on and the red power LED on the front panel is on, it indicates that the
power module is faulty and has alarms.
To troubleshoot the power module failure:
1. Verify that the power switch is turned on and the power module is firmly seated.
2. Verify that the power source meets the requirements of the router.
3. If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
Fan failures
Fan tray is absent
After the router is booted, the following information might appear on the configuration terminal:
%Jul 5 14:47:20:618 2010 H3C DEV/4/FAN ABSENT:
Fan 1 is absent.
The output indicates that the fan tray is not in position.
To troubleshoot the fan tray failure:
1. Verify that the fan tray is in position.
2. Verify that the fan tray is in firm contact with the backplane of the router chassis.
3. If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.