Door Chime Transformer Replacement

If you need to know how to install a transformer for the first time call a qualified electrician.

Door chime transformer replacement. Wiring a doorbell transformer is more complex than replacing a doorbell button or chime unit. Unlike the push button or the doorbell that reside in full view the transformer is concealed. If the doorbell rings the switch needs to be replaced. If the voltage is too low replace the transformer to repair your doorbell unit.

How to replace a doorbell transformer although the doorbell itself operates at low volatagge that is unlikely to shock you replacing a transformer involves working with line voltage circuit wires. Make sure you understand how to shut off power to the circuit controlling the tansformer before attempting this repair. The voltage should be at or around 16. It will likely be in the immediate vicinity though in the attic right above in the basement or in a nearby closet.

Test the doorbell transformer voltage by setting the meter on your voltage tester to 25vac volts alternating current. Measure the voltage on the transformer to see if it s producing enough electricity. First remove the wires from the doorbell switch the button mechanism and touch them together. If the switch isn t the issue head to the chime or the indoor doorbell mechanism.