IBM System x3800 Problem Determination And Service Manual page 103

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 3, "Parts listing, System x3800 Type 8866," on page 107 to determine which components are
customer replaceable units (CRU) and which components are field replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
System-error log message
POST Watchdog Triggered
Power Good Fault detected by memory card
%d.
Power Supply %d Temperature Warning
Power supply current exceeded max spec value 1. Install another power supply (if possible) and make sure that
Power Supply X 12V Over Current Fault
Power Supply X 12V Over Voltage Fault
Action
1. Reconfigure the POST watchdog timer to be a higher value
(consistent with the time it takes to complete POST). See the
Remote Supervisor Adapter II SlimLine and Remote Supervisor
Adapter II User's Guide for information.
2. Disable the POST watchdog. See the Remote Supervisor
Adapter II SlimLine and Remote Supervisor Adapter II User's
Guide for information.
1. Reseat the memory cards.
2. Reseat the DIMMs.
3. Reseat the microprocessor tray.
4. (Trained service technician only) Replace the power backplane.
5. (Trained service technician only) Replace the microprocessor
tray.
1. Make sure the room temperature is within the recommended
range (see "Environment" at "Features and specifications" on
page 3).
2. Replace the power supply.
the ac power cords are correctly connected.
2. Remove devices that consume an extraordinary amount of
power.
3. (Trained service technician only) Replace the power backplane.
1. Reseat the following components:
a. Power supply
b. Power backplane
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. Power supply
b. (Trained service technician only) Power backplane
1. Reseat the following components:
a. Power supply
b. Power backplane
2. Replace the following components one at a time, in the order
shown, restarting the server each time:
a. Power supply
b. (Trained service technician only) Power backplane
87
Chapter 2. Diagnostics