Step 1520-5
Unplug the start/stop switch connector from J37. Check the operation of the
start/stop switch with an Ohm meter. (The switch is normally open and closes when
pressed.)
Does the switch operate correctly?
NO Replace the start/stop switch (Be sure to connect it to the system board
connector (J37). Go to “Step 1520-6.”
YES Go to "Map 0410: Repair Checkout" in the
IBM RS/6000 Diagnostic
Information for Multiple Bus Systems
.
Step 1520-6
Turn the power on.
Does the fan in the power supply turn on and the power good LED come on
and stay on?
NO Reinstall the original operator panel electronics assembly and go to “Step
1520-7” on page 2-16.
YES Go to "Map 0410: Repair Checkout" in the
IBM RS/6000 Diagnostic
Information for Multiple Bus Systems
.
Chapter 2. Maintenance Analysis Procedures 2-15
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