v No: Repeat step 14 (See page 174).
v Yes: Reinstall all the parts and go to “Analyze power problems” on page 31.
This ends the procedure.
16.
Perform the following:
a. Power off the system.
b. Disconnect one of the disk units in the frame you are working on: FC 7104, or FC 7116 system
unit expansion (DB2, DB3), FC 5075 (DB1), or FC 5095 I/O tower (DB1, DB2).
c. Power on the system.
Does a power reference code occur?
v Yes: Continue with the next step.
v No: Exchange the last disk unit you disconnected in this step (see Remove and replace
procedures).
This
ends the procedure.
17.
Have you disconnected all the disk units?
v No: Repeat step 16 (See page 175).
v Yes: Replace the following FRUs, see Locations and addresses for the model you are working on.
– Backplane CB1 (FC 5075, 5095)
– Power supply P01
– Power supply P02
This
ends the procedure.
Power
PIP11: For use by authorized service providers.
You are here because of a power-on problem on a dual line cord system. To correct the problem, perform
this procedure until you can power on the system. The following steps are for the system unit, unless other
instructions are given. Read the “Power PIPs” on page 152 for important safety information before
servicing the system.
DANGER
Dangerous voltage being measured. (RSFTD005)
Follow the instructions for the model you are working on:
v Models 270, 800, 810, 820, or 825 (See page 175)
v Models 830, 840, 870, 890, SB2, or SB3 (See page 182)
POWER PIP11 instructions for Models 270, 800, 810, 820, or 825
1. If an uninterruptible power supply is installed, verify that it is powered on before proceeding.
2. Is the SRC 1xxx-00AC, 1500, 1510, 1520 or 1530?
v Yes: Continue with the next step.
v No: Go to “Starting point for all problems” on page 2.
This
ends the procedure.
3. Are all the frames and units powered on?
v Yes: Go to step 8 (See page 178).
v No: On the frame or unit that does not power on, perform the following (SRC 1xxx-00AC may be
displayed):
a. Disconnect the ac line cords from both ac line cord frame connectors.
b. Use a multimeter to measure the ac voltage at both ac line cords (frame connector’s end).
Analyze hardware problems 175
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