DISKFAN

A fan in a 5786 or 5787 expansion unit might be failing.

1. Is the fan location available in the Service Action Log?
   • Yes: Replace the fan at the location provided in the Service Action Log. For more information regarding location codes, go to Locations — 5786, 5787, 7031-D24, and 7031-T24 expansion unit. For information on replacing a failing fan, go to Exchanging the 5786, 5787, 7031-D24, and 7031-T24 disk drive enclosure fans. This ends the procedure.
   • No: Continue with the next step.
2. Is the SRC that sent you here is 506x7611 or 506x7614?
   • Yes: Replace the fan located in Un-A1. For more information regarding location codes, go to Locations — 5786, 5787, 7031-D24, and 7031-T24 expansion unit. For information on replacing a failing fan, go to Exchanging the 5786, 5787, 7031-D24, and 7031-T24 disk drive enclosure fans. This ends the procedure.
   • No: Continue with the next step.
3. Is the SRC that sent you here is 506x7621 or 506x7624?
   • Yes: Replace the fan located in Un-A2. For more information regarding location codes, go to Locations — 5786, 5787, 7031-D24, and 7031-T24 expansion unit. For information on replacing a failing fan, go to Exchanging the 5786, 5787, 7031-D24, and 7031-T24 disk drive enclosure fans. This ends the procedure.
   • No: Continue with the next step.
4. Is the SRC that sent you here is 506x7631 or 506x7634?
   • Yes: Replace the fan located in Un-A3. For more information regarding location codes, go to Locations — 5786, 5787, 7031-D24, and 7031-T24 expansion unit. For information on replacing a failing fan, go to Exchanging the 5786, 5787, 7031-D24, and 7031-T24 disk drive enclosure fans. This ends the procedure.
   • No: Continue with the next step.
5. Replace the fans located in Un-A1, Un-A2, and Un-A3 one at a time until the problem is resolved. For more information regarding location codes, go to Locations — 5786, 5787, 7031-D24, and 7031-T24 expansion unit. For information on replacing a failing fan, go to Exchanging the 5786, 5787, 7031-D24, and 7031-T24 disk drive enclosure fans. This ends the procedure.