IBM 2193 Maintenance Service Manual page 98

006 - ARE THE VOLTAGES CORRECT AND DOES THE
FAN RUN? (YES, READ AHEAD. NO, GO TO STEP
009)
The power supply is working normally.
If you suspect the on/off switch cable assembly, see Step
003.
If the fan continues to run when all connectors are plugged
back in, go to "Undetermined Problems" on page 101. If
the fan stops running when a drive connector is plugged
back in, go to "Start" on page 64.
007 - DO YOU HAVE AN OHM READING WHEN THE
SWITCH IS PRESSED AND AN OPEN READING
WHEN THE SWITCH IS RELEASED? (YES, READ
AHEAD. NO, GO TO STEP 008)
Replace the on/off switch cable assembly.
008 -
Replace the system board.
End.
009 -
Replace the power supply.
End.
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