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116 xSeries 343 Hardware Maintenance Manual
Characters Are Distorted or Incorrect
Check the following:
• Are the brightness and contrast controls properly adjusted on the video monitor? See the
manufacturer’s documentation.
• Is the video monitor signal and power cable properly installed?
• If the problem persists, the video monitor may be faulty or it may be the incorrect type.
Contact your service representative or authorized dealer for help.
System Cooling Fans Do Not Rotate Properly
If the system cooling fans are not operating properly, system components could be damaged.
Check the following:
• Is DC Power applied to the power terminals on the back panel?
• Did you press the power button?
• Is the power on light lit?
• Have any of the fan motors stopped (use the server management subsystem to check the fan
status)?
• Are the fan power connectors properly connected to the server board?
• Is the cable from the front panel board connected to the server board?
• Are the power supply cables properly connected to the server board?
• Are there any shorted wires caused by pinched cables?
If after double-checking the above list the system fans do not rotate properly contact your service
representative or authorized dealer for help.
Diskette Drive Activity Light Does Not Light
Check the following:
• Are the diskette drive’s power and signal cables properly installed?
• Are all relevant switches and jumpers on the diskette drive set correctly?
• Is the diskette drive properly configured?
• Is the diskette drive activity light always on? If so, the signal cable may be plugged in
incorrectly.
• If you are using the onboard diskette controller, use the Setup Utility to make sure that
“Onboard Floppy” is set to “Enabled.” If you are using an add-in diskette controller, make sure
that “Onboard Floppy” is set to “Disabled.”
If the problem persists, there may be a problem with the diskette drive, server board, or drive signal
cable. Contact your service representative or authorized dealer for help.
Hard Disk Drive Activity Light Does Not Light
The hard disk drive activity light is not connected to the xSeries 343 server board.