How to Repair a Broken Doorbell | Ask This Old House

Scott Caron, master electrician for Ask This Old House, replaces a broken chime on a doorbell.

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Shopping List for How to Repair a Broken Doorbell:
- Doorbell and chime

Tools for How to Repair a Broken Doorbell:
- Screwdriver
- Driver

Steps for How to Repair a Broken Doorbell:
1. Turn off the power source for the doorbell and undo the wire connections to remove the chime. Be sure to mark where each connection goes: front door, transformer, and rear door.
2. Attach the wires of the new chime to the existing wires and screw down the connections with a screwdriver.
3. Mount the new chime and screw it down using a driver.
4. Unscrew the old push button with a screwdriver and break those wire connections.
5. Attach the new push button wires to the existing wires using a screwdriver. If the new chime is digital, you may need to add diodes, which should be included with the chime.
6. Drive the new push button housing into the old screw holes.

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How to Repair a Broken Doorbell | Ask This Old House
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