Operating instructions

Appendix
A.2 System alarms
MP 377, MP 377 PRO (WinCC flexible)
Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
307
Number Effect/causes Remedy
220004 Communication is down and no update data is
transferred because the cable is not connected or
defective etc.
Check the connection.
220005 Communication is up. --
220006 The connection between the specified PLC and the
specified port is active.
--
220007 The connection to the specified PLC is interrupted at
the specified port.
Check whether
• The cable is plugged in
• The PLC is OK
• The correct port is used
• Your configuration is OK (port parameters,
protocol settings, PLC address)
Restart the system if the system alarm persists.
220008 The communication driver cannot access or open the
specified port. The port may be in use by another
application or the port used is not available on the
destination device.
There is no communication with the PLC.
Close all the applications which access this port and
restart the computer.
Use another port of the system.
230000 - View alarms
Number Effect/causes Remedy
230000 The value entered could not be accepted. The system
discards the entry and restores the previous value.
Either
• The value range has been exceeded
• Illegal characters have been entered
• The maximum permitted number of users has
been exceeded
Enter a practical value or delete any unneeded
users.
230002 The currently logged in user has not the required
authorization. The system therefore discards the input
and restored the previous value.
Log on as a user with appropriate authorization.
230003 Changeover to the specified screen failed because
the screen is not available/configured. The current
screen remains selected.
Configure the screen and check the screen selection
function.
230005 The value range of the tag has been exceeded in the
I/O field.
The original value of the tag is retained.
Observe the range of values for the tag when
entering a value.
230100 During navigation in the web browser, the system
returned a message which may be of interest to the
user.
The web browser continues to run but may not (fully)
show the new page.
Navigate to another page.
230200 The connection to the HTTP channel was interrupted
due to an error. This error is explained in detail by
another system alarm.
Data is no longer exchanged.
Check the network connection.
Check the server configuration.
230201 The connection to HTTP channel was established.
Data is exchanged.
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