Other beep codes
See the Problem Determination and Service Guide on the IBM System
x3400 Documentation CD for information about other beep codes.
POST error codes
The following table provides an abbreviated list of the error codes that might appear
during POST. See the Problem Determination and Service Guide on the IBM
System x3400 Documentation CD for more information about the POST error
codes. To check for updated technical information, go to http://www.ibm.com/
support/, and type 7973, 7974, 7975, or 7976 (depending on the machine type for
your server) under Search technical support.
Table 7. Abbreviated list of POST error codes
v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See the parts listing in the Problem Determination and Service Guide 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.
Error code Description Action
062 Three consecutive boot failures using the
default configuration.
1. Update the system firmware to the latest
level (see the Problem Determination
and Service Guide on the IBM System
x3400 Documentation CD).
2. (Trained service technician only) Replace
the system board.
101 Tick timer internal interrupt failure. (Trained service technician only) Replace the
system board.
102 Internal timer channel 2 test failure. (Trained service technician only) Replace the
system board.
151 Real-time clock error.
1. Reseat the battery.
2. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. Battery
b. (Trained service technician only)
System board
161 Real-time clock battery failure.
1. Reseat the battery.
2. Replace the following components one at
a time, in the order shown, restarting the
server each time:
a. Battery
b. (Trained service technician only)
System board
68 System x3400 Types 7973, 7974, 7975, and 7976: Installation Guide
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