Secure by default: Resetting with reset type 2
- Disconnect the power to the controller.
- Press and hold down the reset button with a non-conductive, pointed object.
- Hold down the reset button and switch the supply voltage of the controller on.
- Press and hold the reset button until the STAT LED lights up green. The process takes approx. 40 seconds.
While the reset button is pressed, the LEDs behave as follows:- The CSEC LED starts to light up blue.
- The STAT LED starts to flash yellow.
- The STAT LED starts to light up green.
- Release the reset button as soon as the STAT LED lights up green.
↪ All LEDs go out.
Shortly thereafter, the STAT LED starts to flash red/yellow.
↪ The controller is reset with reset type 2 and the recovery system is started. - Connect the controller to your PC using a suitable Ethernet cable.
- Open your web browser.
- Open the recovery system via the URL http://192.168.1.10.
If the recovery system does not open:
Check whether the URL you entered in the web browser actually starts with “http://”.
The recovery system cannot be opened via an HTTPS connection.
Please note:- As long as the recovery system is active, the LNK and ACT LEDs on the Ethernet interface are switched off (even when the Ethernet connection is active).
- As long as the recovery system is active, the reset button has no function.

You can perform the following actions in the recovery system:
- Install new firmware
- Restart the controller with the existing firmware
• Published/reviewed: 2026-01-30 • Revision 020 •