Fan LEDs
•
Solid green—Fan function is normal.
•
Flashing yellow—There is a fan fault.
•
Off—Fan is off.
Fan module installation
The fan modules in the S4200-ON Series (S4248FB-ON and S4248FBL-ON) switch are field replaceable.
There are five fans. Slot 3 is in the middle of the switch and slot 5 is on the right side of the switch.
CAUTION:
DO NOT mix airflow directions. All fans must use the same airflow direction—reverse or normal. If you mix the airflow
direction, to avoid overheating your switch,
you must correct the mixed airflow
.
1
Take the fan module out of the shipping box.
2
Slide the module into the bay.
Figure 20. S4200-ON Series fan modules installation
1
Orange release tab
Fan module replacement
To request a hardware replacement, see
CAUTION:
Complete the following steps within one minute or the switch temperature could rise above safe thresholds and the
switch could shut down:
1
Slide the fan module out of the bay.
2
Slide the replacement module into the bay.
Fans
35