System Messages
Internal errors
Proceed as follows for all system messages that refer to "internal errors":
a) Switch off the OP3, put the PLC in STOP mode and restart the OP and the
b) Put the OP3 during startup in Download mode, transfer the configuration
c) If the error continues to occur, please contact the nearest Siemens branch
B-8
PLC.
again and restart the OP3 and the PLC.
office. Report the number of the error that has occurred and any variable
that may be included in the message.
Operator Panel OP3
Edition 11/99