IBM iSeries Series Hardware Problem Analysis And Isolation page 397
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v Yes: Continue with the next step.
v No: Go to step 34 (See page 384).
40. Power off the system. See Power on/off the system and logical partitions. Then, examine the amber
logic-power LEDs of all installed processor subsystem DCAs.
41. Are all amber logic-power LEDs of all installed processor subsystem DCAs off?
v Yes: Continue with the next step.
v No: Replace the DCA that has the amber logic power LED that did not turn off. See symbolic FRU
"DCAPWR" on page 324.
42. Record the location of each installed L3 module.
Attention: L3 modules have a limit of three plug cycles. Before removing any of the L3s in the
following list, call your next level of support.
Remove all of the following modules, if present:
v L3 module at location M03
v L3 module at location M04
v L3 module at location M05
v L3 module at location M06
v L3 module at location M09
v L3 module at location M10
v L3 module at location M12
v L3 module at location M13
v L3 module at location M19
v L3 module at location M20
v L3 module at location M22
v L3 module at location M23
v L3 module at location M26
v L3 module at location M27
v L3 module at location M28
v L3 module at location M29
43. Power on the system. See Power on/off the system and logical partitions.
44. Did the system stop with the same error code as recorded in step 1 (See page 382)?
v Yes: Go to step 50 (See page 386).
v No: Continue with the next step.
45. One of the modules just removed is defective.
a. Power off the system. See Power on/off the system and logical partitions.
b. Make sure all amber logic-power LEDs of all installed processor subsystem DCAs are off.
46. Reinstall one of the L3 modules that is removed and listed in step 42 (See page 385).
47. Power on the system. See Power on/off the system and logical partitions.
48. Did the system stop with the same error code as recorded in step 1 (See page 382)?
v Yes: The module just replaced is defective. Return the system to its original configuration. See
Verify the repair.
This ends the procedure.
v No: Continue with the next step.
49. Have all the modules listed in step 42 (See page 385) been reinstalled?
v Yes: The symptom has changed. Return the system to its original configuration. See Verify the
repair.
This ends the procedure.
Analyze hardware problems
385
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