If the mode jumper is not in the desired position follow the steps in “Setting or
changing the mode of an I/O card” on page 934.
If the mode jumper is in the desired position and any other I/O card or device
system reference codes (SRCs) occurred at about the same time as this error,
contact your service representative.
If the mode jumper is in the desired position and no other I/O card or device
system reference codes (SRCs) occurred at about the same time as this error, then
power the system down normally and IPL (see ″Starting and Stopping the System″
the Information Center at http://www.ibm.com/eserver/iseries/infocenter).
Mode jumper is missing
The error message CPPEA21 appears when the mode jumper is missing from the
storage I/O card.
1. Locate the jumper.
2. Power off the system (see ″Starting and Stopping the System″ in the
Information Center at http://www.ibm.com/eserver/iseries/infocenter).
3. Install the jumper in the correct position (see “Setting or changing the mode of
an I/O card” on page 934).
4. Power on the system.
SRC Address Formats
Use this section to determine the IOP, IOA, or device address from either a control
panel or a console display.
1. Was the SRC and addressing information obtained either from a control panel
display or the Main Storage Dump Manager screen?
No Yes
↓ Go to step 7 of this procedure.
2. Are you using the Service Action Log?
No Yes
↓ Go to step 5 of this procedure.
3. Are you using OS/400 communication-diagnostic panels that are displayed by
the commands VFYCMN, WRKPRB, or ANZPRB?
No Yes
↓ Go to step 11 on page 938 of this procedure.
4. Go to step 10 on page 937 of this procedure.
5. Display the FRU details for the problem that you are attempting to fix. The
location information in the field-replacable unit detail is only available for
IOPs, IOAs, and devices.
Is the field-replaceable unit an IOP, IOA, or device and is there location
information in the Location field of the display?
No Yes
↓ Use the location information and return to the procedure that sent you
here.
Data Recovery and General System Information
936
iSeries Model 830, 840, SB2, and SB3 Problem Analysis, Repair and Parts V5R1