4B27I P EQUIP CK SYSnnn=cuu TI=xxxx DC=dddddddddd DECB=aaaaaa
Cause: Unit check (equipment check).
This error indicates a control unit failure or, for the local 3270, an error in control unit-to-device
communication or a printer device error.
This is probably a hardware error.
System Action: Processing continues.
Programmer Action: none.
Operator Action: If the problem persists, have the
· on-line terminal test on a terminal on the affected line
· ROD command output
· EREP output (see DOS/VS SADP)
· system log
available for problem determination.
Used with Courtesy and Permission of International Business Machines, Inc.