A fan in a 5786, 5787, 5886, 7031-D24 or 7031-T24 expansion unit might be failing.

Do one of the following:

• If the SRC that sent you here is 506x7611 or 506x7614, replace the 5786, 5787, 7031-D24, or 7031-T24 fan located in Un-A1. See the table below to find the part number and location of the item to replace. This ends the procedure.
• If the SRC that sent you here is 506x7621 or 506x7624, replace the 5786, 5787, 7031-D24, or 7031-T24 fan located in Un-A2. See the table below to find the part number and location of the item to replace. This ends the procedure.
• If the SRC that sent you here is 506x7631 or 506x7634, replace the 5786, 5787, 7031-D24, or 7031-T24 fan located in Un-A3. See the table below to find the part number and location of the item to replace. This ends the procedure.
• If the SRC that sent you here is 506x15xx, replace the 5786, 5787, 7031-D24, or 7031-T24 fans located in Un-A1, Un-A2, and Un-A3 one at a time until the problem is resolved. See the table below to find the part number and location of the item to replace. This ends the procedure.
• If the SRC that sent you here is 509A7614 or 509A7624, replace the 5886 power supply (internal fan) located in Un-E1. See the table below to find 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 509A7634 or 509A7644, replace the 5886 power supply (internal fan) located in Un-E2. See the table below to find 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