Maintenance And Troubleshooting; Power Module Failure; Symptom; Solution - H3C S6812 Series Installation Manual

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Maintenance and troubleshooting

Power module failure

The switch uses removable power modules. Examine the system status LED (SYS) of the switch to
identify power module failure. For more information, see H3C S6812 & S6813 Switch Series
Hardware Information and Specifications.

Symptom

The system status LED (SYS) is not steady green.

Solution

To resolve the issue:
1. Verify that the switch power cord is correctly connected.
2. Verify that the power source meets the requirement.
3. Verify that the operating temperature of the switch is in an acceptable range and the power
module has good ventilation.
4. If the issue persists, contact H3C Support.
5. To replace a failed power module, see
Fan tray failure
WARNING!
Do not remove multiple fan trays simultaneously. You can remove another fan tray only after you
finish replacing one fan tray. Make sure you finish replacing a fan tray within 3 minutes.
The switch uses removable fan trays. Examine the system status LED of the switch and the fan tray
status LED to identify fan tray failure.
Symptom
The status LED on a fan tray is flashing yellow or off.
Solution
See "Installing and removing a fan
Support.
"Installing and removing a power
tray" to replace a failed fan tray. If the issue persists, contact H3C
5-48
module."