v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See Chapter 5, “Parts listing, IBM System x3300 M4 Type 7382,” on page 303 to check if a component is a
consumable, structural, or FRU part.
v If an action step is preceded by “(Trained technician only),” that step must be performed only by a trained
technician.
Symptom Action
The Pwr rail 1 error has been
recorded in the IMM2 event
log.
1. Disconnect the server power cords.
2. Remove the following components if the Pwr rail 1 error has been recorded in
the IMM2 event log:
a. For the hot-swap power-supply systems
v Fan 3
v Optional PCI adapter at Slot 4(if one is present)
v Other optional PCI adapters (if one is present)
b. For the fixed power-supply systems
v Fan 3
v Optional PCI adapter at Slot 4(if one is present)
v Other optional PCI adapters (if one is present)
v Hard disk drives
v Optional DVD or Tape drive (if one is present)
3. Restart the server. If the Pwr rail 1 error has been recorded in the IMM2 event
log again, (trained technician only) replace the Power Paddle Card (see
“Installing the power paddle card” on page 99.)
4. Reinstall the components one at a time, in the order shown, restarting the
server each time. If the Pwr Rail 1 error has been recorded in the IMM2 event
log again, the component that you just reinstalled is defective. Replace the
defective component.
a. For the hot-swap power-supply systems
v Other optional PCI adapters (if one was present)
v Optional PCI adapter at Slot 4(if one was present)
v Fan 3
b. For the fixed power-supply systems
v Optional DVD or Tape drive (if one was present)
v Hard disk drives
v Other optional PCI adapters (if one was present)
v Optional PCI adapter at Slot 4 (if one was present)
v Fan 3
5. (Trained technician only) replace System board (see “Replacing the system
board” on page 430.)
Chapter 4. Troubleshooting 291
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