This function is useful in the case of power failure. When power regains after a failure this feature restores the previous operating condition and the air conditioner will run in the same settings.
This feature is enabled by the factory default settings, but you can disable it by pressing and holding the ON/OFF button for 6 seconds. The unit will beep twice and the lamp will blink 8 times.
To enable it, press the button again for 6 seconds. The unit will beep twice and the blue lamp will blink 4 times.