1-6
Sun Fire E2900 System Service Manual • May 2006
1.2.1
Power Distribution
To troubleshoot the power distribution system, do the following:
1. Ensure that all cabling is properly connected.
2. Check that switch positions are correct on all involved FRUs.
3. Check that the LEDs on the involved FRUs are as indicated in the following
sections.
1.2.1.1
Normal Operation
The LED status of all FRUs in a properly operating Sun Fire system is described in
1.2.1.2
Abnormal Operation
When an abnormal condition of faulty incoming power exists, the amber fault LED
(
) is lit on one or more of the involved FRUs.
TABLE 1-2
FRU LED Status
FRU
LED Status in Standby Mode
LED Status After Power On
Power supplies
Green Power LEDs blinking
All other LEDs off
Power LEDs green
All other LEDs off
System boards
IB_SSC Power LED green
All other LEDs off
Power LEDs green
All other LEDs off
Main fans and fan tray
Fan tray Power LED green
All other LEDs off
Fan tray Power LED green
All other LEDs off
IB fans
All LEDs off
All LEDs off
Hard disk drives
All LEDs off
Power LEDs green
All other LEDs off
Содержание 817-4054-15
Страница 14: ...xiv Sun Fire E2900 System Service Manual May 2006 ...
Страница 36: ...1 16 Sun Fire E2900 System Service Manual May 2006 ...
Страница 64: ...3 16 Sun Fire E2900 System Service Manual May 2006 ...
Страница 86: ...5 18 Sun Fire E2900 System Service Manual May 2006 ...
Страница 124: ...7 16 Sun Fire E2900 System Service Manual May 2006 ...
Страница 134: ...8 10 Sun Fire E2900 System Service Manual May 2006 ...
Страница 164: ...10 14 Sun Fire E2900 System Service Manual May 2006 ...
Страница 170: ...11 6 Sun Fire E2900 System Service Manual May 2006 ...