140

Explanation
IOS detected a non-recoverable error and stopped
the system.
The right-most four bytes of the program status
word (PSW) have the following format: xrrrrwww.
where x
Irrelevant information.
rrrr
A hexadecimal reason code indicating the reason for the failure.
w
The wait state code.

The reason code rrrr is one
of the following:Code
Explanation
0000
A device containing a page data set has no paths available.Note: WAIT
140 RSN 0000 does not permit AUTOIPL of z/OS®.

0001
A device containing a page data set is in intervention required
state.Note: WAIT 140 RSN 0001 does not permit AUTOIPL of z/OS.

System action
The system enters non-restartable wait state X'140' .

Operator response
If requested by the system programmer,  obtain
the stand-alone dump.  When requested by the system programmer, Re-IPL
the system.

System programmer response
For reason code X'0000' determine
why the device has no available paths.  This is typically a hardware
problem with the channels, switch(es), links or the DASD control unit.
 Correct the problem and Re-IPL the system.
For reason code X'0001' determine
why the device is in the intervention required state.  This is typically
a problem at the DASD control unit.  Correct the problem and Re-IPL
the system.

Source
Input/Output Supervisor (IOS)