Siemens Simatic S7-1500 / ET 200MP - Page 322

Maintenance
14.6 Reset to factory settings
Automation system
System Manual, 01/2023, A5E03461182-AK
321
Procedure using the mode selector keys (standard, F-CPUs / compact CPUs from article number
6ES751x-xxx02-0AB0/6ES751x-1CK01-0AB0)
Make sure that the CPU is in STOP mode (the CPU display shows STOP mode or RUN/STOP LED
lights up yellow).
Note
Reset to f
actory settings ↔ Memory reset
The procedure described below also corresponds to the procedure for a memory reset:
•
Key operation with inserted SIMATIC memory card: CPU executes a memory reset
•
Key operation without inserted SIMATIC memory card: CPU executes reset to factory
settings
Perform a reset to factory settings as follows:
1. Press the STOP mode selector key.
Result: The STOP-ACTIVE and RUN/STOP LED light up yellow.
2. Press the STOP operating mode button until the RUN/STOP LED lights up for the 2nd time
and remains continuously lit (this takes three seconds). After this, release the key.
3. Press the STOP mode selector key again within the next three seconds.
Result: The CPU executes a "Reset to factory settings", during which time the RUN/STOP LED
flashes yellow. When the STOP-ACTIVE and RUN/STOP LED light up yellow, then the CPU has
been reset to factory settings, and is in the STOP mode. The "Reset to factory settings" event
is entered into the diagnostics buffer.
Note
The IP address of the CPU is also deleted when the CPU is reset to the factory settings using
the mode selector keys.
Procedure using the display
Make sure that the CPU is in STOP operating state: The CPU indicates STOP mode. The
RUN/STOP LED lights up yellow.
To reach the desired menu command, "Factory setting", select the following sequence of
menu commands. Confirm with "OK" after each selection.
• Settings → Reset → Factory settings
Result: The CPU executes a "Reset to factory settings", during which time the RUN/STOP LED
flashes yellow. When the RUN/STOP LED lights up yellow, then the CPU has been reset to
factory settings, and is in the STOP mode. The "Reset to factory settings" event is entered into
the diagnostics buffer.
Note
The IP address of the CPU is also deleted when the CPU is reset to the factory settings through
the display.