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Solving problems
This section provides basic troubleshooting information to help you solve some
common problems that might occur while you are setting up the server.
Diagnostic tools overview
The following tools are available to help you diagnose and solve hardware-related
problems:
v POST beep codes
v Troubleshooting tables
v Diagnostic programs and error messages
v Light path diagnostics
POST beep codes
POST emits one beep to signal successful completion. If POST detects a problem
during startup, other beep codes might occur. Use the following beep code
descriptions to help diagnose and solve problems that are detected during startup.
Note: Refer to the x3650 Problem Determination and Service Guide for more
One beep
Repeating long beeps
One long beep and two short beeps
Other beep codes
POST error codes
Table 5 on page 26 provides an abbreviated list of the error codes that might
appear during POST. Refer to the x3650 Problem Determination and Service Guide for
more information about the POST error codes. To check for updated technical
information, go to http://www.ibm.com/systems/support/, select IBM System x
The power-on self-test beep codes indicate the detection of a problem.
– One beep indicates successful completion of POST, with no errors.
– More than one beep indicates that POST detected a problem. Error messages
are displayed also if POST detects a hardware-configuration problem.
See "POST beep codes" and the x3650 Problem Determination and Service Guide
for more information.
These tables list problem symptoms and actions to correct the problems. See
"Troubleshooting tables" on page 28 for more information.
The system diagnostic programs are provided in ROM. These programs test the
major components of the server. Refer to the x3650 Problem Determination and
Service Guide for more information.
Use light path diagnostics to diagnose system errors quickly. See "Light path
diagnostics" on page 39 for more information.
information about the POST beep codes.
POST was completed successfully without finding any errors.
A memory error has occurred. Make sure that all DIMMs are correctly
installed.
A video error has occurred, and the BIOS cannot initialize the monitor
screen to display additional information.
Refer to the x3650 Problem Determination and Service Guide for information
about other beep codes.
Chapter 5. DR550 File System Gateway (FSG)
25
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