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8.Be sure the green LED is lit.

If the green LED is not lit, the power supply may not be seated properly. Check to see if it is seated properly by repeating Step 4 to Step 8. If the green LED is still not lit, see Chapter 10, “Flow Diagrams for Troubleshooting,” for more information.

You will see a message similar to the following example on your system console:

NOTICE: Peripheral Power Supply 0 Installed

NOTICE: AC Power failure no longer detected

NOTICE: Peripheral Power Supply OK

NOTICE: Peripheral 5.0 Volt Power OK

NOTICE: Peripheral 12 Volt Power OK

NOTICE: Auxiliary 5.0 Volt Power OK

NOTICE: Peripheral 5.0 Volt Precharge OK

NOTICE: Peripheral 12 Volt Precharge OK

NOTICE: System 3.3 Volt Precharge OK

NOTICE: System 5.0 Volt Precharge OK

NOTICE: AC Box fans OK

NOTICE: Keyswitch fans OK

6.4 Power/Cooling Module (PCM)

The PCM provides sufficient power to the system for two boards. In addition, the power supply provides power to two fans that cool the two boards.

Figure 6-5 PCM

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Ultra Enterprise 6000/5000/4000 Systems ManualNovember 1996

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Sun Microsystems 6.0005E+11 manual Power/Cooling Module PCM, Be sure the green LED is lit