IBM 6866 Personal Computer User Manual


 
Power supply
If the power-on indicator is not on, the power-supply fan is
not running, or the computer will not power-off, do the
following.
Check/Verify FRU/Action
1. Verify that the
voltage-selector switch
is set for the correct
voltage.
Correct the
voltage-selector switch
setting.
2. Check the following for
proper installation.
Power Cord
On/Off Switch
connector
On/Off Switch
Power Supply
connector
System Board
Power Supply
connectors
microprocessor(s)
connection
Reseat
3. Check the power cord
for proper continuity.
Power Cord
4. Check the power-on
switch for continuity.
Power-on Switch
If the above are correct, check the following voltages.
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