IBM 6C1, Service Manual

Page: 100 / 377

Step 1540-25
One of the FRUs remaining in the system unit is defective. Do the following:
1. Turn off the power.
2. Remove the power cords.
3. Replace the system board (see notes on page 35).
4. Plug in the power cable and wait for OK on the operator panel display.
5. Turn on the power.
Does the system stop with the same error code displayed on the operator panel
that directed you to this MAP step?
NO Go to
″
MAP 0410: Repair Checkout
″
in the RS/6000
Eserver
pSeries
Diagnostic Information for Multiple Bus Systems.
YES Reinstall the original FRU.
If the symptom did not change and all the FRUs have been exchanged, return
to “Step 1540-2” on page 65 in this MAP.
Step 1540-26
The system is working correctly with this configuration. One of the FRUs (adapters) that
you removed is probably defective.
1. Turn off the power.
2. Remove the power cable.
3. Install a FRU (adapter) and connect any cables and devices that were attached to
it.
4. Plug in the power cable and wait for OK on the operator panel display.
5. Turn on the power.
6. If the Console Selection screen is displayed, choose the firmware console.
7. Enter the appropriate password if you are prompted to do so.
Does the system stop with the same error code displayed on the operator panel
that directed you to this MAP step?
NO Repeat this step until all of the FRUs (adapters) are installed, then go to
″
MAP
0410: Repair Checkout
″
in the
RS/6000
Eserver
pSeries Diagnostic
Information for Multiple Bus Systems.
YES Go to “Step 1540-27” on page 83.
82
Service Guide