Why does my AC keep tripping the breaker?
When an AC unit suddenly keeps tripping the breaker as soon as the outside unit turns on, you can test the system by unplugging the compressor. Doing this reveals whether the breaker stops tripping and allows the fan to stay on.
What people tried
Every workaround mentioned in the threads below. We haven’t tested any of them — and nobody here is claiming they worked.
- 1Unplugging the compressor harness to see if the breaker still trips when the unit turns on.
- 2Considering having friends install the hard start kit
- 3Contacting the original installation company or manufacturer for warranty service or support
In their words
Unedited, grouped by where they were said, most upvoted first within each place, each linked to the thread it came from.
Where this came up
People with this problem also raised
- 2Why does my HVAC fuse blow immediately when I turn the power on?
- 2Why does my furnace high limit switch keep opening?
- 7How to test a car relay without special tools
- 9Why does running multiple appliances trip the circuit breaker?
- 3Why does my dishwasher keep tripping the circuit breaker?
- 3New HVAC unit won't heat and makes clicking sounds