If you find that your LEDs are not functioning properly, it's possible that they are simply deactivated. Follow these steps to activate or deactivate the LEDs based on the model of your system (Single-Phase or Three-Phase) to ensure their proper operation.

Single-Phase:

1. Press and hold the on/off button for 5 seconds to unlock the control panel.

2. Next, simultaneously press the clock and ⬆️ buttons for 5 seconds. This will activate or deactivate the LEDs.

Three-Phase:

1. Press and hold the "+" and "⚙️" buttons for 5 seconds.

By following these simple steps, you can adjust the status of the LEDs on your Single-Phase or Three-Phase system. Be sure to check the proper functioning of the LEDs after making these adjustments.