1: If a “beep” sound is heard when tapped using the master key - the master registration has been deleted. Re-register, then tap to open.
2: If the red LED flashes several times with a “beeping” sound when tapped using the master key without the sound of the motor working – the motor has malfunctioned. Open or close by force or request after-sales service from the head office.
3: If the LED flashes several times with a “beeping” sound when tapped using the master key with the sound of the motor working, there could be too many items in the locker or the door might be bent. Move or push against the door, then tap with the master key.