I2CBUS

A fault was detected on the I2C bus.

If you need additional information for failing part numbers, location codes, or removal and replacement procedures, see Part locations and location codes. Select your machine type and model number to find additional location codes, part numbers, or replacement procedures for your system.

1. Is the reference code of the form 1xxx314x?
   • Yes: Continue with the next step.
   • No: Use the following table to determine the FRU to replace. If there are multiple FRUs listed in one row, replace those FRUs one at a time in the order shown.

     Reference code	Type and model or feature code	Part number	Description	Location code
     3100, 3105	8248-L4T, 8408-E8D, 8412-EAD, 9109-RMD, 9117-MMB, 9117-MMC, 9117-MMD, 9179-MHB, 9179-MHC, 9179-MHD	See System parts	Primary service processor card	Un-P1-C1
     3100, 3101, 3118, 310A, or 310B	5796, 7314-G30	See System parts	SPCN card I/O backplane Dual-port 12X Channel Attach adapter	Un-P1-C8 Un-P1 Un-P1-C7
     3102, 3103, 3104, 3114, 3121, 3122, 3123, 3124	5796, 7314-G30	See System parts	I/O backplane SPCN card Dual-port 12X Channel Attach adapter	Un-P1 Un-P1-C8 Un-P1-C7
     3105, 3125	5796, 7314-G30	See System parts	Dual-port 12X Channel Attach adapter I/O backplane SPCN card	Un-P1-C7 Un-P1 Un-P1-C8
     3106, 3115	5796, 7314-G30	See System parts	Power supply SPCN card I/O backplane	Un-E1 Un-P1-C8 Un-P1
     3114, 3116	8233-E8B, 8236-E8C	See System parts	System backplane	Un-P1
     3114	8248-L4T, 8408-E8D, 8412-EAD, 9109-RMD, 9117-MMB, 9117-MMC, 9117-MMD, 9179-MHB, 9179-MHC, 9179-MHD	See System parts	I/O backplane Primary service processor card	Un-P2 Un-P1-C1

     This ends the procedure.
2. Is the reference code 1xxx3140?
   • No: Continue with the next step.
   • Yes: Replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
3. Is the reference code 1xxx3141?
   • No: Continue with the next step.
   • Yes: If this is your first time here, replace the SAS conduit card in the 5802 expansion unit at location Un-P5. If this is your second time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
4. Is the reference code 1xxx3142?
   • No: Continue with the next step.
   • Yes: If this is your first time here, replace the disk drive backplane in the 5802 expansion unit at location Un-P3. If this is your second time here, replace the SAS conduit card in the 5802 expansion unit at location Un-P4. This ends the procedure.
5. Is the reference code 1xxx3143?
   • No: Continue with the next step.
   • Yes: If this is your first time here, replace the I/O backplane in the 5802 expansion unit at location Un-P1. If this is your second time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
6. Is the reference code 1xxx3145?
   • No: Continue with the next step.
   • Yes: Replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
7. Is the reference code 1xxx3146?
   • No: Continue with the next step.
   • Yes: Replace the fan in the 5802 expansion unit at location Un-E1-A1. If this is your second time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
8. Is the reference code 1xxx3147?
   • No: Continue with the next step.
   • Yes: Replace the fan in the 5802 expansion unit at location Un-E1-A2. If this is your second time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
9. Is the reference code 1xxx3148?
   • No: Continue with the next step.
   • Yes: Replace port card 1 in the 5802 expansion unit at location Un-P3-C1. If this is your second time here, replace these parts in the 5802 expansion unit in the following order:
     1. Midplane at location Un-P5.
     2. SAS conduit at location Un-P4.
     3. Disk drive backplane at location Un-P3.
     This ends the procedure.
10. Is the reference code 1xxx3149?
    • No: Continue with the next step.
    • Yes: Replace port card 2 in the 5802 expansion unit at location Un-P3-C2. If this is your second time here, replace these parts in the 5802 expansion unit in the following order:
      1. Midplane at location Un-P5.
      2. SAS conduit at location Un-P4.
      3. Disk drive backplane at location Un-P3.
      This ends the procedure.
11. Is the reference code 1xxx314A?
    • No: Continue with the next step.
    • Yes: Replace port card 3 in the 5802 expansion unit at location Un-P3-C3. If this is your second time here, replace these parts in the 5802 expansion unit in the following order:
      1. Midplane at location Un-P5.
      2. SAS conduit at location Un-P4.
      3. Disk drive backplane at location Un-P3.
      This ends the procedure.
12. Is the reference code 1xxx314B?
    • No: Continue with the next step.
    • Yes: Replace port card 4 in the 5802 expansion unit at location Un-P3-C4. If this is your second time here, replace these parts in the 5802 expansion unit in the following order:
      1. Midplane at location Un-P5.
      2. SAS conduit at location Un-P4.
      3. Disk drive backplane at location Un-P3.
      This ends the procedure.
13. Is the reference code 1xxx3155?
    • No: Continue with the next step.
    • Yes: If this is your first time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
14. Is the reference code 1xxx3156?
    • No: Continue with the next step.
    • Yes: If this is your first time here, replace the fan in the 5802 expansion unit at location Un-E2-A1. If this is your second time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.
15. Is the reference code 1xxx3157?
    • No: Return to the procedure or symbolic FRU that sent you here.
    • Yes: If this is your first time here, replace the fan in the 5802 expansion unit at location Un-E2-A2. If this is your second time here, replace the midplane in the 5802 expansion unit at location Un-P5. This ends the procedure.