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YES
Go to "Step 1548-3."
Step 1548-3
Were there any memory DIMMs removed from the CEC backplane?
NO
Go to "Step 1548-8" on page 116.
YES
Go to "Step 1548-4."
Step 1548-4
1. Turn off the power, and remove the power cords.
2. Replug the memory DIMMs that were removed from the CEC backplane in "Step 1548-2" on page 114
in their original locations.
Notes:
1. Place the memory DIMM locking tabs into the locked (upright) position to prevent damage to the
tabs.
2. Memory DIMMs must be installed in quads in the correct connectors. Refer to "Memory DIMM
Locations" on page 17 for complete information on memory DIMMs.
3. Plug in the power cords and wait for the OK prompt to display on the operator panel display.
4. Turn on the power.
Does the system stop with code E1F2, E1F3, STBY, 20EE000B or 4BA00840 displayed in the
operator panel?
NO
A memory DIMM in the quad you just replaced in the system is defective. Turn off the power,
remove the power cords, and exchange the memory DIMMs in that quad, one at a time with new
or previously removed memory DIMMs.
Repeat this step until the defective memory DIMM is identified, or all memory DIMMs have been
exchanged.
If your symptom did not change and all the memory DIMMs have been exchanged, call your
service support person for assistance.
If the symptom changed, check for loose cards and obvious problems. If you do not find a
problem, go to the "Quick Entry MAP" on page 55 and follow instructions for the new symptom.
YES
Go to "Step 1548-8" on page 116.
Step 1548-5
This step is reserved.
Step 1548-6
One of the FRUs remaining in the system unit is defective.
Note: If a memory DIMM is exchanged, ensure that the new memory DIMM is the same size and speed
as the original memory DIMM.
1. Turn off the power, remove the power cords, and exchange the following FRUs in the order listed:
a. Memory DIMMs. Exchange one at a time with new or previously removed memory DIMMs.
b. CEC backplane (See the notes on page 53.)
c. Power supplies.
2. Plug in the power cords and wait for the OK prompt to display on the operator panel display.
3. Turn on the power.
Chapter 3. Maintenance Analysis Procedures (MAPs)
115
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