doorbell buttonA doorbell button is simply a switch. It controls when power will flow and make the chime unit sound off. The doorbell connects the power and causes the transformer to ring the chime unit. So when a doorbell isn’t working, it can really only be a couple of items to look at: the doorbell button, the wiring, the transformer, or the chime unit.

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Testing the doorbell button is easy. You will first need to remove the doorbell button and cover. Sometimes the button has two screws that hold it to the wall, but in many cases, the button is pushed into some caulking. If you don’t see any screws on the housing, try to pry it off of the wall. Even if the button does have screws, there usually aren’t and holes in the wall for the screws to go into, so in that case, the screws will just rest slightly in the house’s exterior surface, whatever that may be.

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With the button pried off of the wall, you will see two wires connected to the back of the housing. These are low-voltage wires. Remove these two wires from the back of the housing and touch the two wires together. If the doorbell chimes (makes the “ding-dong” sound), then the doorbell button needs to be replaced. Touching the wires together effectively does what the doorbell does.

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