Resolving A System Firmware Boot Failure - IBM Power System 8335-GCA Manual

2. Are the power supply LEDs turned off?
If Then
Yes: Continue with the next step.
No: Continue with step 4.
3. Perform the following actions, one at a time, until the problem is resolved:
a. Ensure that all of the power cords are fully seated in the power supplies.
b. Ensure that all of the power cords are fully seated in the power distribution units (PDUs) or wall
outlets.
c. If the power cords are plugged into PDUs, ensure that the PDUs are turned on.
d. Ensure that all of the power cords are plugged into PDUs or wall outlets that are supplying
electricity.
e. Replace the power cords.
f. Replace the power supplies.
v If your system is an 8335-GCA or 8335-GTA, go to "8335-GCA and 8335-GTA locations" on page
111 to identify the physical location and the removal and replacement procedure.
v If your system is an 8335-GTB, go to "8335-GTB locations" on page 121 to identify the physical
location and the removal and replacement procedure.
v If your system is an 8348-21C, go to "8348-21C locations" on page 133 to identify the physical
location and the removal and replacement procedure.
This ends the procedure.
4. Is the amber LED of a power supply on solid and is the red LED on the front of the system flashing
at 0.25 Hz?
If Then
Yes: Continue with the next step.
No: Go to "Contacting IBM service and support" on page 110. This ends the procedure.
5. Perform the following actions, one at a time, until the problem is resolved:
a. Ensure that the power supply is fully seated in the system.
b. Ensure that the power supply fan is not blocked.
c. Replace the power supply.
v If your system is an 8335-GCA or 8335-GTA, go to "8335-GCA and 8335-GTA locations" on page
111 to identify the physical location and the removal and replacement procedure.
v If your system is an 8335-GTB, go to "8335-GTB locations" on page 121 to identify the physical
location and the removal and replacement procedure.
v If your system is an 8348-21C, go to "8348-21C locations" on page 133 to identify the physical
location and the removal and replacement procedure.
This ends the procedure.

Resolving a system firmware boot failure

Learn how to identify the service action that is needed to resolve a failure while booting your system
firmware.
1. After you pressed the power button, did the system turn on but fail to display the Petitboot menu?
If Then
Yes: Continue with the next step.
4
Problem analysis, system parts, and locations for the 8335-GCA, 8335-GTA, 8335-GTB, and 8348-21C