5-2 Chapter 5
Power Supply Troubleshooting
Power Supply Troubleshooting
Power Supply Troubleshooting
Use this procedure only if you have read Chapter 4 , “Start Troubleshooting Here.” Follow
the procedures in the order given, unless:
• an error message appears on the display; refer to “Error Messages” on page 5-17.
• the fan is not working; refer to “Fan Troubleshooting” on page 5-19.
The power supply group assemblies consist of the following:
• A8 post regulator
• A15 preregulator
All assemblies, however, are related to the power supply group because power is supplied
to each assembly.
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