Specifications

2. Adapter to which the device is attached
Repeat this step until the defective FRU is identified or all the FRUs have been
exchanged.
If the symptom did not change and all the FRUs have been exchanged, call your
service support person for assistance.
If the symptom has changed, check for loose cards, cables, and obvious problems. If
you do not find a problem, return to “Step 1540-1” on page 53 and follow the
instructions for the new symptom.
Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus Systems .
Step 1540-25
Try taking out the adapters.
1. Ensure that the diagnostics and the operating system are shut down.
2. Turn off the power.
3. If you have not already done so, configure the service processor with the
instructions in note 6 on page 53. Then return here and continue.
4. Exit Service Processor Menus, and unplug the system unit power cable from the
wall outlet.
5. Remove both side covers, as described in “Removing the Covers” on page 301.
6. Record the slot numbers of the PCI adapters. Label and record the location of any
cables attached to the adapters. Disconnect any cables attached to the adapters
and remove all the adapters.
7. Connect the system unit power cable to the wall outlet and wait for OK on the
operator panel display.
8. Turn on the power.
Does the system stop with code 2680 0Dxx, E151, E152, E153, E154, E155, E156,
E15F, E170, or E172 displayed on the operator panel?
NO Go to “Step 1540-27” on page 69.
YES You still have the same problem.
Go to “Step 1540-26”.
Step 1540-26
Try changing the system planar.
1. Turn off the power and unplug the system unit power cable from the wall outlet.
2. Replace the system board (see note 3 on page 37).
3. Connect the system unit power cable to the wall outlet (and wait for OK on the
operator panel display).
4. Turn on the power.
68 Service Guide