IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 128

Step 1524-2
1. Turn off the power.
2. Disconnect the ac power cables (dc power cables in a dc-powered system) from the
CEC drawer.
3. Remove CEC power supply 2 (if present) or cooling unit.
4. Reconnect the ac power cable (dc power cable in a dc-powered system) to the CEC
power supply 1.
5. Turn on the power.
Is the error code 1011 1C0x displayed?
NO
YES
Step 1524-3
1. Turn off the power.
2. Reinstall CEC power supply 2 or cooling unit that was removed in "Step 1524-2".
3. Reconnect the ac power cable (dc power cable in a dc-powered system) to the CEC
power supply 2 (if present).
4. Turn on the power.
Is the error code 1011 1C0x displayed?
NO
YES
Step 1524-4
1. Turn off the power.
2. Reinstall CEC power supply 2 or cooling unit that was removed in "Step 1524-2".
3. Reconnect the ac power cable (dc power cable in a dc-powered system) to the CEC
power supply 2 (if present).
4. Disconnect the ac cable (dc power cable in a dc-powered system) to CEC power
supply 1.
5. Remove CEC power supply 1 if CEC power supply 2 is present. If location U1.1–V2
has a cooling unit, then replace CEC power supply 1.
6. Turn on the power.
Is the error code 1011 1C0x displayed?
NO
110
Service Guide
Go to "Step 1524-3".
Go to "Step 1524-4"
The symptom has changed.
This ends the procedure.
Replace CEC power supply 2 or cooling unit, location: U1.1-V2.
This ends the procedure. Go to "MAP 410: Repair Checkout" in the RS/6000
and Eserver pSeries Diagnostics Information for Multiple Bus Systems .
If CEC power supply 2 is present, replace CEC power supply 1, location:
U1.1-V1.