Fan Failure - H3C S12508-AC Installation Manual

Fan failure

Table 29 Description of fan LEDs
LED
RUN
ALM
When the RUN LED is off or the ALM LED is on or flashing, the fan fails.
To troubleshoot the fan:
If both LEDs are off, check whether the power module works properly. For more information, see
1.
"Power supply system
Check whether the air intake and exhaust vents of the chassis are blocked. If they are blocked,
2.
clean them to keep the air flow smooth.
Check whether the fan tray is fully seated. You can unplug the fan tray, plug it again, and check
3.
whether the fan LEDs are normal.
If you have a spare fan tray, plug it into the slot, and check whether the spare fan tray can work
4.
properly. If yes, the old fan tray fails.
If the failure still exists, contact the local agents or technical support engineers.
5.
MPU failure
Figure 55 MPU LEDs
(1) CF card status LED (CFS)
(4) Fan status LED (FAN)
(7) MPU status LED (RUN)
Color Status
Off
Green
Flashing
Off
Red
Flashing
On
failure."
(2) Switching fabric module LED
(SFC)
(5) Power status LED (PWR)
(8) Network management port LED
(LINK)
85
Description
The fan tray fails.
The fan tray is operating properly.
The fan tray is in a normal state.
The fan tray is faulty.
The fan tray is faulty.
(3) LPU status LED (LC)
(6) MPU status LED (ACT)
(9) Network management port LED
(ACT)