IBM i 830, Repair Manual

Page: 708 / 1000

18. Remove the bottom row of screws that are inside the CEC Cage.
19.
Remove the screws from the Top Cage Retaining Bracket and remove the
bracket.
20. Remove the screws from the Left Cage Retaining Bracket and remove the
bracket.
21. Remove the screws from the right side and bottom of the CEC Cage that
mount the cage into the rack. Slide the CEC Cage out of the frame.
22. Disconnect the power cables that are connected to the lower right and lower
left corners of the Backplane.
Refer to “Assembly 7: Models 840 and SB3 Processor Tower – Final Assembly,
Rear” on page 832 and perform the following steps from the rear of the system.
23. Remove the screws from the top and bottom of the Power Subframe
Assembly.
24.
Remove the Power Subframe Assembly.
25. Install the new power subframe assembly by reversing the removal procedure.
After exchanging an item, go to “Verifying the Repair” on page 920.
This ends the procedure.
Models 840/SB3 Processor Tower – Power Supply (PS) (P01 Through
P06)
DANGER
Up to 240 V ac is present at the power module connectors when the main
power cord is connected to a power source. (RSFTD010)
1. Do not Power off the system.
Note: Remove and replace only one power supply at a time.
2.
Remove the front cover (see “Models 840/SB3 – Covers” on page 690).
Refer to “Assembly 6: Models 840 and SB3 Processor Tower– Final Assembly,
Front” on page 828 and continue with the following steps.
3. Remove the EMC access plate.
4. On the control panel:
a. Select function 7 on the system control panel. Press Enter. (07** will be
displayed)
b. Use the arrow keys to increment/decrement to sub-function A3 (07A3 will
be displayed). Press Enter (07A3 00 will be displayed).
c.
Use the arrow keys to increment/decrement to the frame address of the
processor tower, usually ’02’ (0702 will be displayed). Press Enter (0702 00
will be displayed).
d. Use the arrow keys to increment/decrement to select 07Bx where x is the
power supply (PS) to be powered off (0=P01, 1=P02, 2=P03, 3=P04, 4=P05,
5=P06). Press Enter (07Bx 00 will be displayed). The green LED on the
power supply will turn off.
5. Remove the power supply.
6. Install the new DC power supply by reversing the procedure.
The new power supply will automatically power on when it is installed.
7.
After exchanging an item, go to “Verifying the Repair” on page 920.
Remove and Replace Procedures
694
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1