Sun Microsystems Sun Fire V100 - Manual (Page 101)

Chapter 7 Interpreting the LEDs 83
■
The LOM watchdog has timed out, indicating that the server has locked up.
You can configure the server to restart automatically after a lockup (see
Chapter 6).
The Fault LED flashes when a problem has occurred that is fatal to the server.
Circumstances that cause the Fault LED to flash include the following:
■
The speed of the fan inside the server is too low.
■
The temperature inside the server’s enclosure is too high. By default, this
causes the server to shut down. For information about configuring the server
not to shut down in this condition, see Appendix B.
■
The voltage on one of the server’s output supply rails is too high. By default,
this causes the server to shut down. For information about configuring the
server not to shut down in this condition, see Appendix B.
■
The temperature inside the CPU is too high. This causes the server to shut
down.
Back-Panel LEDs
The four back panel LEDs convey the information listed below. For the location of
the LEDS on the server, see
FIGURE 7-2 .
■ Ethernet port 0
Lights to indicate link status with dmfe0.
■ Ethernet port 1
Lights to indicate link status with dmfe1.
■ Fault LED
This mirrors the Fault LED on the front panel.
■ Power LED
This mirrors the Power LED on the front panel.