Step 1522-4
Use the information in the “I/O Drawer and Power Supply LED Status” on page 28 to
answer the following question.
Note: This table also applies to the CEC drawer LEDs.
Is the power supply LED blinking quickly?
NO Check the SPCN cabling.
Replace the CEC drawer power supply.
Replace the CEC drawer backplane.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
YES Replace the power supply with the flashing LED.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
Step 1522-5
Is there a power supply with a flashing LED?
NO Go to “Step 1522-7” on page 99.
YES Go to “Step 1522-6”.
Step 1522-6
Are both I/O drawer power supply LEDs flashing?
NO Replace the power supply with the flashing LED.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
YES Replace the CEC backplane.
This ends the procedure. Go to ″Map 0410: Repair Checkout″ in the
Diagnostics Information for Multiple Bus Systems
98 Service Guide
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