ETERNUS AF150 S3/AF250 S3 ETERNUS AF650 S3
The ETERNUS AF is in maintenance status when the MAINTENANCE LED is green.
3 Use the FUNCTION button/switches to change the settings.
• Switching the Master CM to the other controller
Use the pin to push the FUNCTION button/CM Master Change switch (MST SW) twice within three
seconds.
The MASTER LED for the controller that is set as the Master CM is green.
• Restoring the factory default settings of the LAN ports
Use the pin to push the FUNCTION button/IP reset switch (IP RST SW) three times within three seconds.
After the default settings of the LAN ports are restored, the MAINTENANCE LED blinks green a few times
a second for several seconds.
• Restoring the factory default user settings
(1) Remove all the LAN cables from the LAN ports (MNT ports and RMT ports) of all the controllers.
(2) Use the pin to push the FUNCTION button/IP reset switch (IP RST SW) five times within three
seconds.
After the default user settings are restored, the MAINTENANCE LED blinks green approximately every
second for several seconds.
4 Release maintenance status.
Use the pin to push the FUNCTION button/maintenance switch (MNT SW) for three seconds.
The MAINTENANCE LED turns off, which indicates that the
ETERNUS AF is no longer in maintenance status.
5 Attach the front cover or the front cover.
1. Basic Operation
Using the FUNCTION Button/Setting Change Switches
22 Operation Guide (Basic)