- Shut Down Your AC at the Thermostat. The first step in resetting your AC thermostat is to turn it off at the AC unit. …
- Find Your Circuit Breaker Box. ...
- Reset the Circuit Breaker for Your AC Unit. …
- Wait 30 Seconds. …
- Turn the AC Thermostat Back On.
What would cause an AC compressor to not turn on?
If the compressor isn't starting, check the wiring connecting the two units. If it's a blown fuse or tripped circuit breaker, the search has come to an end. Other potential causes may include a faulty thermostat, mismatched indoor and outdoor units, or the AC may just be old.Oct 4, 2019
How do I reset my Lennox AC compressor?
- Shut Down Your AC at the Thermostat. The first step in resetting your AC thermostat is to turn it off at the AC unit. …
- Find Your Circuit Breaker Box. ...
- Reset the Circuit Breaker for Your AC Unit. …
- Wait 30 Seconds. …
- Turn the AC Thermostat Back On.
Why won't my AC compressor clutch engage?
One of the reasons why compressors do not engage is because of a low pressure lockout, a poor ground, a bad clutch coil, an opening in the wire to the clutch coil, or simply a blown fuse. There are several ways A/C compressor clutches receive power. ... With engine running, you will want to set the A/C to MAX.