Step 1522-19
Note: Read the Danger and Caution notices under “Safety Notices” on page xi before
continuing with this procedure.
Perform the following:
1. Disconnect the mainline ac power cable from the power distribution unit that
supplies power to the CEC drawer.
2. Use a multimeter to measure the ac voltage at the power distribution unit end of the
mainline ac power cable.
Is the ac voltage from 200 V ac to 240 V ac?
NO Go to “Step 1522-20”.
YES Replace the power distribution unit.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
.
Step 1522-20
Note: Read the Danger and Caution notices under “Safety Notices” on page xi before
continuing with this procedure.
Perform the following:
1. Disconnect the mainline ac power cable from customer’s ac power outlet.
2. Use a multimeter to measure the ac voltage at the customer’s ac power outlet.
Is the ac voltage from 200 V ac to 240 V ac?
NO Inform the customer that the ac voltage at the power outlet is not correct.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
.
YES Replace the mainline ac power cable.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
.
Chapter 3. Maintenance Analysis Procedures 103
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