Sun Microsystems Sun Enterprise 10000 Service Manual

Sun Enterprise

™

10000
System Dual Grid Power
Option Service Manual

Sun Microsystems, Inc.

901 San Antonio Road
Palo Alto, CA 94303-4900 USA
650 960-1300 Fax [phone]

Part No. 806-3759-10
March 2000, Revision A

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Dual Grid Power Option Diagnostics and Service

Use the following troubleshooting procedures to solve problems that may be
encountered after the dual grid power option installation procedures are complete.

Power Supply or ACIM

If one or more power supplies not serviced by the same AC Input Module (ACIM)
indicate red or gray on Hostview, then check for one or more failed power supplies.
If two power supplies serviced by the same ACIM indicate red or gray on Hostview,
then check for a failed ACIM.

▼ To Check for a Failed Power Supply

1. Make sure power supply is turned on at ACIM.

2. Make sure power supply LEDs are green.

3. Make sure cables are connected correctly.

4. Make sure control board voltages are in correct range (green) in Hostview.

If the power supply still indicates a failure, then the ACIM may be at fault.

▼ To Check for a Failed ACIM

1. Make sure power supplies are turned on at ACIM.

2. Replace the ACIM.

3

3. Replace the status cable. (Requires shutdown of Sun Enterprise™ 10000.)

Faulty Status Module

The status module tray assembly is a component of the dual power grid installation
option. There are four status modules in the tray assembly located in the front 4U
panel (

FIGURE 1)or(FIGURE2).

▼ To Determine Which Status Module Is at Fault

● Check that the SSP version installed supports the dual power grid installation.

A faulty status module is determined by which combination of power supplies are
red or gray in Hostview.

Note – Four status modules in the Status Module Tray Assembly are numbered

0 to 3 from top to bottom.

TABLE1 Determine a Faulty Status Module

Status Module Power Supply Combinations Indicating Red or Gray

0 0,1,8,9
1 2, 3, 10, 11
2 4, 5, 12, 13
3 6, 7, 14, 15

▼ To Remove and Install the Status Module

1. Remove the faulty status module from the status module tray assembly.

2. Install a new status module.

3. Make sure all switches and circuit breakers are on.

4. Make sure that the ACIM DC on LEDs are green and all others are amber.

4 Sun Enterprise 10000 Status Module Service Guide • March 2000

5. Verify that the Hostview display on the SSP indicates green for the control boards
and green for the power supplies.

AC sequencer

Hub

Ground cable

RJ-45 connectors

Status module

Status module
tray assemly

tray assemly

Status module
overlay

Input power
cable assembly

FIGURE 1 Equipment Installation in the Front 4U Panel

Dual Grid Power Option Diagnostics and Service 5

Blank panel

Status module
tray assembly

Status module
overlay

FIGURE 2 Alternate Equipment Installation in the Front 4U Panel

6 Sun Enterprise 10000 Status Module Service Guide • March 2000