C H A P T E R 8

Basic Diagnostics

This chapter provides basic diagnostics assistance. Topics include:

8.1 LED Diagnostics

This section describes LEDs that you can use to diagnose the workstation.

TABLE 8-1 Front Panel LED States
LED	Condition	Meaning
Green	Off	Workstation is not powered on.
	On	Workstation is powered on.
	Blinking	Workstation is in low-power mode.
Amber (Yellow)	Not functional	Not functional

TABLE 8-2 Twisted-Pair Ethernet LED Status
LED	Status
Green - Link	When illuminated, a 10/100/1000 Mbps link exists.
Amber - Activity	When flashing, indicates transmit or receive activity.

If the workstation beeps continuously, the keyboard has a bad connection or there is a stuck key on the keyboard. To resolve the problem:

Error messages displayed on the monitor are generated from the Solaris OS or the OpenBoot PROM. See the following sections:

If you experience any other monitor problems, see the documentation for the graphics accelerator that is installed in your system. For example:

Sun XVR-2500 Graphics Accelerator Installation and User's Guide, 817-7517

The graphics accelerator documentation is available at this web site.