A power supply in a 5720, 5786, 5787, 5886, 7031-D24, 7031-T24, or 7214-1U2 expansion unit might be failing.

Do one of the following:

• If the system reference code (SRC) that sent you here is 506x1511 or 506x1515, replace the 5786, 5787, 7031-D24, or 7031-T24 expansion unit power supply located in Un-E1. See the following table for the part number and location of the item to replace. If this does not fix the problem, replace the power supply located in Un-E2. This ends the procedure.
• If the SRC that sent you here is 506x1521 or 506x1525, replace the 5786, 5787, 7031-D24, or 7031-T24 expansion unit power supply located in Un-E2. See the following table for the part number and location of the item to replace. If this does not fix the problem, replace the power supply located in Un-E1. This ends the procedure.
• If the SRC that sent you here is 509A1511 or 509A1515, replace the 5886 power supply located in Un-E2. See the following table for the part number and location of the item to replace. If this does not fix the problem, replace the power supply located in Un-E1. This ends the procedure.
• If the SRC that sent you here is 509A1521 or 509A1525, replace the 5886 power supply located in Un-E2. See the following table for the part number and location of the item to replace. If this does not fix the problem, replace the power supply located in Un-E1. This ends the procedure.
• If the SRC that sent you here is 509D1511 or 509D1515, replace the 5720 or 7214-1U2 power supply located in Un-E1. See the following table for the part number and location of the item to replace. If this does not fix the problem, replace the power supply located in Un-E2. This ends the procedure.