IBM 3270 Maintenance Manual page 158

The first character of your error code is 6, 7, 8 or
9.
1. Check the for a secure connection between
the 128KB Memory-Printer Adapter and the
256KB Memory Expansion Card.
• If the connection is not secure, press the
cards together to insure a good connection
then go to step 2 below.
• If the connection is secure, replace the
256KB Memory Expansion Card then go to
step 2 below.
2. Run the diagnostics again (see page 3-200-55),
then return to this page and answer the
question below.
DID THE DIAGNOSTICS RUN
SUCCESSFULLY?
YES
Your system is now functioning properly.
NO If you get the same failure, replace the
128KB Memory-Printer Adapter. See
Section 5, "Removal/Replacement and
Adj ustments."
If you get new error go to page 3-200-1 and
follow the PIC again.
October
1984
3 .. 200-33