■Intercom does not ring (beep)
Try adjusting the volume if the main unit (the monitor or handset) has a control button.

■The monitor of intercom does not work / is always on
Turn on the power switch of the monitor. It is usually located on the side of the main unit.

■The volume of the intercom is too small (loud)
Adjust the volume of the main unit (the monitor or handset) if it has a control button. On some models, the volume of the outdoor unit is not adjustable.

If there's no improvement or seems broken, please contact us through the app.