If your doorbell makes visitors think no one is home, replace it. It's an easy and inexpensive fix.
Doorbells are among the easiest, least expensive electrical repairs.
For this repair project, leave the power on. You can test the doorbell with your multimeter if you want to be sure the voltage is low. The doorbell chime uses a transformer between the household circuit and the chime and pushbutton to convert the current to approximately 12 volts. Check the doorbell button Remove the pushbutton cover and remove the screws that hold the doorbell assembly on the wall. Gently pull the device away and check for faulty connections.