Definition of 4B23I


4B23I P CHAIN CHK SYSnnn=cuu TI=xxxx DC=dddddddddd DECB=aaaaaa
Cause: A channel overrun occurred during data chaining on an input operation. Data is lost
because data service could not be obtained within the byte interval of the addressed unit.
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.