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This ends the procedure. Go to "MAP 0410: Repair Checkout" on page 45.
Step 1523-4
1. Turn off the power.
2. Reinstall system power supply 2 that was removed in "Step 1523-2" on page 66.
3. Reconnect the AC power cable to the system power supply 2.
4. Disconnect the AC cable to system power supply 1.
5. Remove system power supply 1.
6. Turn on the power.
Is the error code 1011 1B0x displayed?
NO
Replace system power supply 1, location: U0.1-V1.
This ends the procedure. Go to "MAP 0410: Repair Checkout" on page 45.
YES
Go to "Step 1523-5".
Step 1523-5
1. Turn off the power.
2. Reinstall system power supply 2 that was removed in "Step 1523-4".
3. Reconnect the AC power cable to the system power supply 2.
4. Remove system fan 3. Disregard a system fan error code if it occurs during this step.
5. Turn on the power.
Is the error code 1011 1B0x displayed?
NO
Replace system fan 3, location: U0.1-F3. This ends the procedure. Go to "MAP 0410: Repair
Checkout" on page 45.
YES
Go to "Step 1523-6".
Step 1523-6
1. Turn off the power.
2. Reinstall system fan 3 that was removed in "Step 1523-5".
3. Remove system fan 4. Disregard a system fan error code if it occurs during this step.
4. Turn on the power.
Is the error code 1011 1B0x displayed?
NO
Replace system fan 4, location: U0.1-F4. This ends the procedure. Go to "MAP 0410: Repair
Checkout" on page 45.
YES
Replace the system backplane, location: U0.1-P1. This ends the procedure. Go to "MAP 0410:
Repair Checkout" on page 45.
Step 1523-7
1. Turn off the power.
2. Disconnect the AC power cables from the system.
3. Reinstall one of the assemblies that was removed in "Step 1523-1" on page 66, in the sequence listed:
a. Processor cards
b. PCI adapter books
c. DASD devices
Chapter 3. Maintenance Analysis Procedures (MAPs)
67
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