IBM 7026-H80 - RS/6000 - 256 MB RAM Service Manual page 129

YES
Step 1524-5
1. Turn off the power.
2. Reinstall CEC power supply 1 if it was removed in "Step 1524-4" on page 110 or
replace the original CEC power supply 1, if it was replaced with a new one in "Step
1524-4" on page 110.
3. Reconnect the ac power cable (dc power cable in a dc-powered system) to the CEC
power supply 1.
4. Remove CEC fan 7. Disregard a CEC fan error code if it occurs during this step.
5. Turn on the power.
Is the error code 1011 1C0x displayed?
NO
YES
Step 1524-6
1. Turn off the power.
2. Reinstall CEC fan 7 that was removed in "Step 1524-5".
3. Remove CEC fan 8. Disregard a CEC fan error code if it occurs during this step.
4. Turn on the power.
Is the error code 1011 1C0x displayed?
NO
YES
Step 1524-7
1. Turn off the power.
2. Disconnect the ac power cables (dc power cables in a dc-powered system) from the
CEC drawer.
3. Reinstall one of the cards that was removed in "Step 1524-1" on page 109, in the
sequence listed:
a. CEC memory riser 1 (if present)
b. CEC memory riser 2 (if present)
c. CEC processor
This ends the procedure. Go to "MAP 410: Repair Checkout" in the RS/6000
and Eserver pSeries Diagnostics Information for Multiple Bus Systems .
Go to "Step 1524-5".
Replace CEC fan 7, location: U1.1-F7.This ends the procedure. Go to "MAP
410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostics
Information for Multiple Bus Systems .
Go to "Step 1524-6".
Replace CEC fan 8, location: U1.1-F8.This ends the procedure. Go to "MAP
410: Repair Checkout" in the RS/6000 and Eserver pSeries Diagnostics
Information for Multiple Bus Systems .
Replace the CEC backplane, location: U1.1-P1.This ends the procedure. Go
to "MAP 410: Repair Checkout" in the RS/6000 and Eserver pSeries
Diagnostics Information for Multiple Bus Systems .
Chapter 3. Maintenance Analysis Procedures
111