Specifications

YES Fix or replace the power cables as required. Go to ″MAP 410: Repair
Checkout″ in
Diagnostic Information for Multiple Bus Systems to verify the
repair.
Step 2010-8
Replace the backplane. Go to ″MAP 410: Repair Checkout″ in Diagnostic Information
for Multiple Bus Systems
to verify the repair.
Step 2010-9
Is there only one drive with no LEDs on?
NO Go to step “Step 2010-10”.
YES Replace the following FRUs:
1. Backplane
2. Disk drive assembly
Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus
Systems
to verify the repair.
Step 2010-10
Is the green (top) LED off on one or more disk drives on a backplane?
NO Go to step “Step 2010-11”.
YES Replace the following FRUs:
1. Backplane
2. EPOW cable
Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus
Systems
to verify the repair.
Step 2010-11
Is green (top) LED in the drive at the end of the backplane flashing?
NO Go to step “Step 2010-8”.
YES Go to step “Step 2010-12”.
Step 2010-12
Replace the SSA link cable closest to the flashing LED.
Did the LED stop flashing?
NO Go to step “Step 2010-13” on page 75.
YES Go to ″MAP 410: Repair Checkout″ in
Diagnostic Information for Multiple Bus
Systems
to verify the repair.
74 Service Guide