DFS818A NOP ISSUED TO 7770-3 LINE `aaa`. RESULT WAS I/O ERROR `cccc`,`ss`,`ee`,`ii`. REPLY 'POST' OR 'RETRY'.

Explanation
 An I/O error occurred. 
In the message text:

Code
Meaning

aaa

The line control unit address

cccc

The CSW status

ss

The sense status

ee

The DECB DECERRST field

ii

The IOB IOBINCAM field

System action
 Waits for reply.

Operator responseReplies can be uppercase or lowercase. A reply
of POSTcauses the line to be posted unusable;
a reply of RETRY causes the operation to be
retried.

Module
DFSIIO30

DFS818A NOP ISSUED TO 7770-3 LINE aaa. RESULT WAS I/O ERROR cccc,ss,ee,ii. REPLY 'POST' OR 'RETRY'.

Explanation

System action

Operator response

Module

DFS818A NOP ISSUED TO 7770-3 LINE `aaa`. RESULT WAS I/O ERROR `cccc`,`ss`,`ee`,`ii`. REPLY 'POST' OR 'RETRY'.