2-32
Power Supply
001 - START
− Power-off the system unit.
− Check the power cord for continuity. Replace if necessary.
− Check for the correct line voltage from the power outlet, and verify
that the voltage selector switch (if present) is set for the correct
voltage.
− Power-on the system unit.
002 - DOES THE POWER SUPPLY FAN RUN? (YES, GO TO STEP
003. NO, GO TO STEP 004)
003 - DOES THE SYSTEM UNIT FAIL TO SHUT OFF WHEN THE
ON/OFF SWITCH IS PRESSED? (YES, READ AHEAD. NO,
GO TO STEP 005)
− You might have a damaged on/off switch cable assembly.
− Disconnect the on/off switch cable assembly connector from the
power supply connector and take an ohm reading.
− Go to step 007
004 -
− Disconnect the power cord from the back of the system unit.
− Disconnect all power and switch cable connectors from the system
board and the power supply.
− Disconnect the power connectors to all drives.
− Make a connection (jumper) between the black and white wires of
the auxiliary power control cable as shown in the following figures.
− Connect any one of the power connector to system board or drive
as power load for driving up power supply.
− Reconnect the power cord.
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