NEC QX-S5500G Series - Fan Failure; Fixed Fan Failure of QX-S5524 GT-4 X2 Q, QX-S5548 GT-4 X2 Q, or QX-S5524 GP-4 X1 C

Installation Guide
QX-S5500G Series Ethernet Switches
7. Maintenance and troubleshooting
7-4
see “Appendix C Ports and LEDs”.
I. QX-S5524GT-4X1C, QX-S5548GT-4X1C, or QX-S5524GP-4X1C power module
failure
 Symptom
The power module status LEDs are not steady green.
 Solution
To resolve the problem:
a) Verify that the switch power cord is correctly connected.
b) Verify that the power source meets the requirement.
c) Verify that the operating temperature of the switch is in an acceptable range and the
power module has good ventilation.
d) If the problem persists, contact NEC Support.
7.2 Fan failure
7.2.1 Fixed fan failure of QX-S5524GT-4X2Q, QX-S5548GT-4X2Q, or
QX-S5524GP-4X1C
The QX-S5524GT-4X2Q, QX-S5548GT-4X2Q, or QX-S5524GP-4X1C switches use fixed
fans.
If a fan failure occurs, contact NEC Support and do not attempt to fix the problem yourself.