Installation Manual

62
To troubleshoot the power module failure:
1. Check whether the power switch is turned on.
2. Check whether the power cables of the router are firmly connected.
3. Check whether the switch of the power source is turned on.
4. Check whether the power cord is damaged.
5. If the cause cannot be located in the steps above and the problem persists, contact your local sales
agent.
Table 21 AC power module LED description
LED Status Descri
p
tion
AC OK
Off No power is input, or the power supply is faulty.
Steady green The power supply is working properly.
DC OK
Off No power is input.
Steady green The power supply is working properly.
Table 22 DC power module LED description
LED Status Descri
p
tion
Input
Off No power is input, or the power supply is faulty.
Steady green The power supply is working properly.
Output
Off No power is input.
Steady green The power supply is working properly.
Fan failures
Fan tray is absent
After the router is booted, the following information may appear on the configuration terminal:
#Dec 9 09:57:12:560 2011 HP DEVM/1/FAN STATE CHANGES TO FAILURE:
Trap 1.3.6.1.4.1.25506.8.35.12.1.6: fan ID is 1
%Dec 9 09:57:12:560 2011 HP DEVM/3/FAN_ABSENT: Fan 1 is absent.
The output indicates that the fan tray is not in position.
To troubleshoot the fan tray failure:
1. Check whether the fan tray is in position.
2. Check whether 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.