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A/C cycling on and off frequently- UPDATE IN OP

Posted on 5/31/16 at 6:48 pm
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 6:48 pm
So my A/C is working, as it cools my home to the desired set temperature. However, it is cycling on and off constantly


It will run for 10-15 minutes

Turn off

Kick back on 10 seconds later for about 5 seconds, then kick off again

Will stay off for 5-10 minutes, and then repeat

Any ideas on what is causing this?


Update****

Tech came out. Was simply a clogged/dirty drain line causing the issue. Cleaned it out and is good to go. Said to make sure to poor bleach down the drain once a month
This post was edited on 6/1/16 at 2:20 pm
Posted by Btrtigerfan
Disgruntled employee
Member since Dec 2007
24175 posts
Posted on 5/31/16 at 6:51 pm to
I'm thinking bad thermostat.

quote:

Kick back on 10 seconds later for about 5 seconds, then kick off again


This can do harm to your compressor.

Make sure your vents aren't blowing on your thermostat.
Posted by covlatiger
Member since Feb 2006
2463 posts
Posted on 5/31/16 at 6:53 pm to
Needs coolant (freon or whatever they're using now).
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 6:55 pm to
So anything I can do/check or should I call a technician out for sure?
Posted by Roman Candle Tag
Member since Mar 2016
1550 posts
Posted on 5/31/16 at 6:56 pm to
Is it a newer evaporator/furnace/air handler? If so. There may be a function that energizes the blower motor without circulating freon. If that happens after the cooling cycle it might be a feature that dries off the coils.
Just speculating.
Posted by Roman Candle Tag
Member since Mar 2016
1550 posts
Posted on 5/31/16 at 6:58 pm to
quote:

So anything I can do/check or should I call a technician out for sure?





I would go outside to see if the compressor/condenser has that short cycle also.
Posted by SECond2none™
Member since Aug 2003
7762 posts
Posted on 5/31/16 at 6:58 pm to
What kind of thermostat is it and have you installed a newer one recently (like a smart thermostat) that may require more power than a basic one. Reason I ask is that if it needs to charge a battery or power an lcd screen it's probably robbing power from your AC wire on your thermostat. If it's too much drain it can kick your unit off every time it does it. The fix for this is to use a separate common power wire from the unit to thermostat. in my house this wire was blue and was already run between the unit and thermostat but was not hooked up. Just tucked behind the thermostat.
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 6:59 pm to
Man that was complete giberish to me Unit is a 2012. Anyway, I bought the house in October so I am under warranty for a year paid by the seller. It is a $75 fee to get a tech out here. I am leaning to doing that. Just wanted to see if their was something simple I could check
Posted by Cajun Invasion
Abbeville, Louisianna
Member since Jan 2012
1804 posts
Posted on 5/31/16 at 6:59 pm to
Probley a bad t-stat, is your inside fan turning off and on or just the outside unit?
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 7:00 pm to
It is a 2012 Honeywell. It has a display screen but I don't believe it is a smart system
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 7:00 pm to
Inside fan is what kicks on and off. Haven't checked to see if outside does as well
Posted by SECond2none™
Member since Aug 2003
7762 posts
Posted on 5/31/16 at 7:02 pm to
quote:

It is a 2012 Honeywell. It has a display screen but I don't believe it is a smart system
if you've been using the same one for a while with no problem then it's probably not the power robbing issue.
Posted by Roman Candle Tag
Member since Mar 2016
1550 posts
Posted on 5/31/16 at 7:03 pm to
quote:

Man that was complete giberish to me ? 


Ha. My bad. I could have worded it better.

Honestly, considering the warranty, a $75 call out might be the easiest option.
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 7:03 pm to
That's what I'm thinking
Posted by Btrtigerfan
Disgruntled employee
Member since Dec 2007
24175 posts
Posted on 5/31/16 at 7:17 pm to
quote:

lsupride87


Remember that time you went 32 days without changing the return air filter? Yep, you fricked it up.


Posted by Spankum
The Sip
Member since Jan 2007
63281 posts
Posted on 5/31/16 at 7:21 pm to
I would say this is not something that you are going to be able to fix on your own...not an emergency, but go ahead and schedule a visit from the AC man.
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 7:39 pm to
I have gone longer than 32 days......
Posted by vjp819
South Sec. 414 / Alex Box Sec. 210
Member since Nov 2003
10882 posts
Posted on 5/31/16 at 7:54 pm to
if you've had it charged up recently, it sounds like it's over charged.
Posted by Btrtigerfan
Disgruntled employee
Member since Dec 2007
24175 posts
Posted on 5/31/16 at 7:59 pm to
Most modern thermostats will NOT let the unit short cycle. I still say that's your first suspect.
Posted by lsupride87
Member since Dec 2007
112573 posts
Posted on 5/31/16 at 8:12 pm to
Yeh I have a tech coming out tomorrow. Want to get a hold of it to prevent a major issue
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