Confirming Loading Of The Operating System; Specific Problems And Corrective Actions; Power Led Does Not Light; System Cooling Fans Do Not Rotate - NEC HV8600 User Manual

Confirming Loading of the Operating System

Once the system boots up, the operating system prompt appears on the screen.
The prompt varies according to the operating system. If the operating system
prompt does not appear, refer to Running New Application Software in this
chapter.

Specific Problems and Corrective Actions

This section provides possible solutions for the following specific problems:
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Power LED does not light

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System cooling fans do not rotate

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No characters appear on screen
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Characters on the screen appear distorted or incorrect
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Floppy disk drive access LED does not light
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Hard disk drive access LED does not light
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Problems with application software.
Try the solutions in the order given. If you cannot correct the problem, contact
your service representative for assistance.
Power LED Does Not Light
Check the following.
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Is the system operating normally? If so, the power LED is probably
defective.
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Are there other problems with the system? If so, check the items listed
under System Cooling Fans Do Not Rotate.
System Cooling Fans Do Not Rotate
Note:
part of each power supply, the system has an option board
fan, four CPU fans, and two memory fans. The four CPU
fans are redundant in configuration. This means if one fan
fails its associated fan changes its rotating speed to high.
There are no serviceable components inside the power
supply. If the power supply is opened, the manufacturer's
warranty is voided.
Check the following.
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Is AC power available at the wall outlet?
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Are the system power cords properly connected to the system and the AC
wall outlets?
In addition to the cooling fans that are an integral
Problem Solving 5-7