Definition of 4B31I


4B31I P BUS OUT CK SYSnnn=cuu TI=xxxx DC=dddddddddd DECB=aaaaaa
Cause: Unit check (parity error). This message indicates that the device or control unit has
received a data byte or a command code that has invalid parity.
This is probably a hardware error.
System Action: Processing continues.
Programmer Action: none.
Operator Action: If the problem persists, have the
· 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.