IBM i 830 Repair Manual page 946

Data Recovery and General System Information
22. Are you here to exchange the AC input/charger, any of the device boards or
23. You must search for an alternate AC power source for the expansion unit. An
24. Can you find an alternate AC power source for the expansion unit?
25. You must power off the system to service this tower. Do not attempt to power
26. When the expansion tower or unit is powered off, disconnect the power cord.
27. Remove or install the part, then continue with the next step.
28. Perform the following:
932
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1
the power board?
Yes No
↓
You can main maintain AC power to the expansion unit while you are
servicing this tower. When the expansion tower is powered off, open
the rear cover and trace the AC jumper cords from the three power
supplies to the AC Input Charger. Then disconnect them at the AC
charger. Power is now removed from the components that you will be
working with or near. Go to step 27 of this procedure.
adapter cord for AC wall power outlets may be available at the customer site
or an alternate expansion tower with AC power outlets may be close enough
to the expansion unit, for the expansion unit's AC power cords to reach.
Continue with the next step in this procedure.
No Yes
↓
Move only one of the expansion unit's AC power cords at a time to
the alternate AC power source to prevent the expansion unit from
loosing AC power. When you have completed moving both AC power
cords to the alternate AC power source then go to step 26 of this
procedure.
off the expansion unit. You must power on this expansion tower and then, use
dedicated service to power off the system for the FRU you are exchanging. Go
to step 28 of this procedure, to power on this expansion tower.
Notes:
a. Ensure that you replace the failing IOP, IOA, or feature card with the same
type and model.
b. When IOPs and feature cards are moved or removed, ensure that the
configuration rules are followed. (For example, two empty card positions
are not allowed between IOPs or feature cards.)
a. Reconnect the AC power cord that you disconnected in step 26 or the
power supply cords that you disconnected in step 22 of this procedure.
Note: The tower will automatically power on however, you will need to
finish the steps in this procedure to complete the power on and
restore the system to normal operation.
b. Were you instructed to perform a function 69 to power the tower on?
Yes No
↓
Go to step 28f on page 933 of this procedure.
c. Are you working on a system that has multiple partitions?
Yes No
↓
Perform the function 69 (with the control panel set to Manual
Mode) from the control panel (See "Control Panel Functions" in
the iSeries Service Functions information). Then, go to step 29 on
page 933 of this procedure.