Fan Failure; Mpu Failure - H3C S12500 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. Follow these steps to troubleshoot
the fan:
If both LEDs are off, check whether the power supply works properly. For more information, see
Step1
supply system
Check whether the air intake and exhaust vents of the chassis are blocked. If they are blocked, clean
Step2
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 whether
Step3
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 properly.
Step4
If yes, the old fan tray fails.
If the failure still exists, contact the local agents or technical support engineers.
Step5

MPU failure

Figure 56 MPU LEDs
(1) CF card status LED (CFS)
(4) Fan status LED (FAN)
(7) MPU status LED (RUN)
Color
Green
Red
failure."
(2) Switching fabric module LED
(SFC)
(5) Power status LED (PWR)
(8) Network management port LED
(LINK)
Status Description
Off The fan tray fails.
Flashing The fan tray is operating properly.
Off The fan tray is in a normal state.
Flashing The fan tray is faulty.
On The fan tray is faulty.
91
(3) LPU status LED (LC)
(6) MPU status LED (ACT)
(9) Network management port LED
(ACT)
"Power