Nako Na-613d Disable Alarm 🆕 Trusted Source

If you have disabled the button-press sounds using the method above, but the device is still making a loud mechanical buzzing or humming noise, this may not be the alarm setting—it could be a wiring issue.

The NA-613D is designed to switch AC voltage. If you are switching a high-load appliance (like a geyser or large motor) or if the wiring is loose, the internal relay can vibrate. nako na-613d disable alarm

Warning: disabling a smoke/CO alarm may create risk. Only disable temporarily for known false alarms (cooking, steam) and re-enable as soon as possible. If you have disabled the button-press sounds using

Advanced users can connect the Nako NA-613D to a Windows PC using a USB-to-serial adapter or the specific configuration cable. Warning: disabling a smoke/CO alarm may create risk