5.
Note: Read the Danger and Caution notices under “Safety Notices” on page xiii
before continuing with this procedure.
Perform the following:
a. Disconnect the ac power cable from the I/O rack PDB.
b. Use a multimeter to measure the ac voltage at the I/O rack end of the ac power
cable.
Is the ac voltage from 200 V ac to 240 V ac?
No Exchange the mainline ac power cable.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostic Information for Multiple Bus Systems.
Yes Go to step 6 of this procedure.
6. Replace the PDB.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the Diagnostic
Information for Multiple Bus Systems.
96 Service Guide