Disk-array enclosure
VNX5500 Hardware Information Guide 95
Figure 85 shows the location of the status (fan fault) LED on the 4U, 60 DAE fan control 
module.
Figure 85  Example of 4U, 60 DAE fan control module showing the fan fault LED
Table 51 describes the 4U, 60 DAE fan fault LED.
Front view
On the front, the 4U, 60 DAE includes three fans or cooling modules and two Status LEDs.
Figure 86 shows the location of the fan or cooling module and the 4U, 60 DAE status LEDs.
Figure 86  4U, 60 DAE (front view)
Fan control module
(cooling module)
staus LED
VNX-000662
Table 51  Fan control module fan fault LED
Led Color State Description
Fan fault Amber On Fault detected, one or more fans faulted
— Off No fault detected, fans operating normally
Power on LED (blue)
VNX-000647
Power fault LED (amber)Cooling module (fan)