PWR1918

PWR1918

Instructions for model HV4.

Refer to Locating FRUs for instructions for removing and replacing any FRUs called out by the following procedure.

1. Is the reference code 1xxx 8450?
   • No: Continue with the next step.
   • Yes: At least one processor VRM is missing. Inspect all of the processor cards and install the VRM(s) that is(are) missing (see Physical Locations).
2. Is the reference code 1xxx 2630?
   • No: Continue with the next step.
   • Yes: Replace VRM1A and VRM1B (which are one CRU/FRU) on processor card number 1 (Un-P1-C13-C10) (see areamphyslocs.dita).This ends the procedure.
3. Is the reference code 1xxx 2632?
   • No Continue with the next step.
   • Yes: Replace VRM2 on processor card number 1 (Un-P1-C13-C5). This ends the procedure.
4. Is the reference code 1xxx 2640?
   • No: Continue with the next step.
   • Yes: Replace VRM1A and VRM1B (which are one CRU/FRU) on processor card number 2 (Un-P1-C14-C10). This ends the procedure.
5. Is the reference code 1xxx 2642?
   • No Continue with the next step.
   • Yes: Replace VRM2 on processor card number 2 (Un-P1-C14-C5). This ends the procedure.
6. Is the reference code 1xxx 2650?
   • No: Continue with the next step.
   • Yes: Replace VRM1A and VRM1B (which are one CRU/FRU) on processor card number 3 (Un-P1-C15-C10). This ends the procedure.
7. Is the reference code 1xxx 2652?
   • No Continue with the next step.
   • Yes: Replace VRM2 on processor card number 3 (Un-P1-C15-C5). This ends the procedure.
8. Is the reference code 1xxx 2660?
   • No: Continue with the next step.
   • Yes: Replace VRM1A and VRM1B (which are one CRU/FRU) on processor card number 4 (Un-P1-C16-C10). This ends the procedure.
9. Is the reference code 1xxx 2662?
   • No Continue with the next step.
   • Yes: Replace VRM2 on processor card number 4 (Un-P1-C16-C5). This ends the procedure.
10. Does the problem persist?
    • No: This ends the procedure.
    • Yes: Replace the system backplane (Un-P1). This ends the procedure.