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Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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The eletric power was off due to a wind storm. When they

Customer Question

The eletric power was off due to a wind storm. When they restored power, the ele tricity was turning off and on pretty fast for a few seconds. After the power stayed on for about a minute I could smell wires burning then a pop noise from my carrier central air unit. I looked inthe unit and found a blown transformer. Could the blinking electricitycause the transformer to blow?
JA: Did you double-check the thermostat's settings? And what about the filters?
Customer: Thermostat and filter are fine
JA: Do you plan on doing the work yourself?
Customer: Yes . I hav the blown transformer out already.
JA: Anything else we should know to help you best?
Customer: The comfort control of the unt sometimes would work and sometimes not . Meaning the fan ould blow after the ompressor would ztop and sometimes not
Submitted: 6 months ago.
Category: HVAC
Expert:  BillyHvac replied 6 months ago.


My name is Billy.

The highest failing parts due to power issues are transformers, capacitors and circuit boards.

The transformers are by far the most vulnerable. Did your uit give any fault codes?

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