Siemens SINUMERIK 808D ADVANCED Diagnostic Manual page 521

5.5 PLC alarms
To view detailed description about individual alarms directly on the PPU, proceed as follows:
400000 PLC STOP %1
Explanation: PLC not in cyclic mode. Travel with the machine is not possible.
%1: 1 Ready
2 Break
3 Error
Reaction: Alarm display.
Remedy: Rectify other PLC alarm;
set PLC stop from Startup menu
or test user program.
Programm Alarm display showing cause of alarm disappears. No further operator action necessary.
continuation:
400001 System error %2
Explanation: %1 : Type number
With this alarm, internal alarm states are displayed that, in conjunction with the transferred error number, provide
information on the cause and location of the error.
Reaction: PLC Stop
Remedy: Notify Siemens of this error together with the error message.
Programm Switch control OFF - ON.
continuation:
400002 System error %1
Explanation: %1 : Type number
Internal error states are displayed with this alarm. An error number is also specified to provide further details about the
cause and location of the error.
Reaction: PLC Stop
Remedy: Report this error to Siemens along with the type number.
Programm Switch control OFF - ON.
continuation:
400003 System error, connection error to MCP
Explanation: This alarm reports a communication error to the MCP.
Reaction: PLC Stop
Remedy: Check MCP connection.
Programm Clear alarm with the Delete key or NC START.
continuation:
Diagnostics Manual
Diagnostics Manual, 06/2015, 6FC5398-6DP10-0BA2
1. Press this key on the PPU to enter the alarm operating area.
2. Select the desired alarm.
3. Press this key to open the online help for the selected alarm.
(User program has not been started)
(User program has been interrupted)
(Other PLC alarm with PLC Stop active)
SINUMERIK 808D ADVANCED alarms
5.5 PLC alarms
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