User guide

Instructions
Chapter 18
I/O Message and Communication
18–9
MSG Instruction Error Codes
When an error condition occurs, the error bit ER is set. The lower byte of
the first word in the control block indicates the type of error:
Error Code
(decimal)
Error Code
(binary)
Error Code
(hex)
Description of Error Condition
2 0000 0010 02H Target node is busy. The MSG instruction will automatically
reload. If other messages are waiting, the message is placed at
the bottom of the stack.
3 0000 0011 03H Target node cannot respond because message is too large.
4 0000 0100 04H Target node cannot respond because it does not understand the
command parameters.
5 0000 0101 05H Local processor is offline.
6 0000 0110 06H Target node cannot respond because requested function is not
available.
7 0000 0111 07H Target node does not respond.
16 0001 0000 10H Target node cannot respond because of incorrect command
parameters or unsupported command.
55 0011 0111 37H Message timed out in local processor.
80 0101 0000 50H Target node is out of memory.
96 0110 0000 60H Target node cannot respond because file is protected.
241 1111 0001 F1H Local processor detects illegal target file type.
231 1110 0111 E7H Target node cannot respond because length requested is too
large.
235 1110 1011 EBH Target node cannot respond because target node denies access.
236 1110 1100 ECH Target node cannot respond because requested function is
currently unavailable.
250 1111 1010 FAH Target node cannot respond because another node is file owner
(has sole file access).
251 1111 1011 FBH Target node cannot respond because another node is program
owner (has sole access to all files).