Digital Equipment 3100R Series, Service Maintenance Manual

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Troubleshooting
4-16
Server Troubleshooting
Problem Possible Cause Action
No response when the
server is turned on. Server is not plugged in.
No power at the rack outlet.
Main logic board failed.
Main logic board switches
incorrectly set.
Processor module has
failed.
Processor module switches
incorrectly set.
Power supply failed.
Turn off the server, plug it in, and
then turn it back on again.
Use another rack outlet.
Replace the main logic board.
Set all appropriate switches.
Replace the processor module.
Make sure all switches are
correctly set.
Replace the power supply.
continued