A/C Unit doesn't stay on very long

[Papawillie]

Last night I noticed our zone 1 unit wasn't running very long. A/C would come on, you could hear the compressor kick in, and then within a minute the compressor would shut off the and the unit cycled down. Sometimes the unit would run a little longer. No error codes are displayed. Any ideas or has anyone else encountered this issue?

[ttanous]

I have that problem with my bedroom a/c after about 20 or 30 minutes it finally stays on to cool down. For me I think the bedroom sensor is detecting cool and shuts down the a/c. I have checked to make sure the air vents are not pointing at the sensor on the ceiling in the bedroom.

Might want to make sure no vents point towards the thermostat.

[Gitiup]

No haven't experienced that, both AC's blow ice cold even in this Texas heat. If I could get the wifey to keep the shades down it would be even better. But we all know that story.

[spock123]

Mine does that late at night, I think the a/c is set for 1 degree and will cycle when temperature goes up one degree. I wish I could set the a/c for two degree but I don't know how or if you can. On my Springdale tt I could set the thermostat for one degree or two degree, two degrees worked best for me, a/c unit didn't cycle on and off as much at night.


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[ret2006]

Mine acted similar when new. It would cycle as much as 12 to 14 imes per hour. Dealer sent me a new thermostat and now working properly.

[MeepMeep]

Ours did that.....turned out to be a hard start capacitor. $234 house call to repair. Technician said that it happens all the time because 110V is really insufficient to start a unit this size (15K BTU) and it plays hell with the hard start caps so they wear out prematurely

[Joe_GA]

Even though the vents were not aimed at the bedroom sensor, mine would short cycle. I removed the cover and wrapped the sensor in foam rubber and reinstalled the cover. Works great now!