2
1
3
4
1
Fan fault
2
AC fault
3
PSU OK
4
DC fault
The following illustration shows the location of the LEDs on the power supply used in the DS2246
and DS4486 disk shelves:
AC
1
2
3
4
1
PSU OK
2
DC fault
3
AC fault
DS4243, DS2246, DS4486, and DS4246 Installation and Service Guide
43
Monitoring disk shelf components