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Question on the likely cause leaking water: 5-year-old

Question on the likely cause for AC leaking water: 5-year-old central AC unit recently started to produce excessive amount of water leaking to the collection pan on the floor. Roughly 10 hours of AC running will fill 1/3 of the pan. Tested drain line and it seemed to be ok. Air filter is new. The AC is still cooling and it's really hard to tell weather it cools more slowly or not. Opened up the panel and saw coils get iced up (chunks of ice covering the copper hoses in several places but not all over the entire unit). Also along the drain line at the P trap, the PVC pipe probably gets near freezing water in there causing the bottom of the P trap to condensate and drip water a little bit. What are the possible causes for this problem, from most likely to least likely, and how to fix it?

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Tim H.

Lead building engineer

Vocational, Technical or Trade Scho

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4,606 satisfied customers
My outdoor air conditioner unit turns on but inside, it does

My outdoor air conditioner unit turns on but inside, it does not turn on and no air blows through the vents. Eventually the outdoor unit shuts off, and then it seems to try again a few minutes later. The heat works fine, and if I turn the fan on with no AC and no heat, it also works fine. I have double checked the thermostat and put a brand new air filter in. The air was working fine this season for quite a while before this occurred.

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BillyHvac

Journeyman Service Technician

State Licensed Mechanical Contractor

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11,542 satisfied customers
Compressor seems to working, exchange ran is running too.

Compressor seems to working, exchange ran is running too. Circulation fan in attic unit is not coming onJA: Did you double-check the thermostat? And what about the unit's filters?Customer: Yes and yes, thermostat indicators in the unit control panel indicate zones are on. Filter is 3 months old on a one year cyxleJA: Do you plan on doing the work yourself?Customer: If I can, I'm pretty handy so long as the refrigerant is not involvedJA: Anything else we should know to help you best?Customer: It's a Lennox elite seriesJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.

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Phil

Consultant to Engrs, Govt & Contractors

Degree, Mech Engr Technology

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9,650 satisfied customers
I have a Carrier Infinity system and it is 76 degrees

I have a Carrier Infinity system and it is 76 degrees outside and the thermostat says 82-thermal lockout 4 hours... How do I correct this as it is not cooling the home?

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Tim H.

Lead building engineer

Vocational, Technical or Trade Scho

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4,606 satisfied customers
I have water leaking out the intake vent into my stairs

I have water leaking out the intake vent into my stairs below. I've checked all the condenser tubes.JA: What's the make and model of your machine? And can you guesstimate how old it is?Customer: Even out new clamps onJA: Do you plan on doing the work yourself?Customer: It's pretty old....maybe 10 yearsJA: Anything else we should know to help you best?Customer: Amana air conmandJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.

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Rick

Owner

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23,286 satisfied customers
Getting error code 79.02. Anyway I can solve this? Son is

Getting error code 79.02. Anyway I can solve this? Son is cancer survivor and needs Ac and allergy. Trane systemJA: Have you checked for the code in the manual?Customer: Hard lock out I thinkJA: Do you plan on doing the work yourself?Customer: Try due to scheduleJA: Anything else we should know to help you best?Customer: No. Have fancy thermostat and can get tech access; I've turned it off; ion past had to go down crawl space, turn on some flashing lightJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.

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Airheatman

Heating & Air Conditioning Contractor

6 years college

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9,574 satisfied customers
I have a 2002 RUDD URKA-A036JK10E Gas Heating/AC unit

I have a 2002 RUDD URKA-A036JK10E Gas Heating/AC unit mounted outside. Last night (outside temp was around 74), the unit kept running, but no cold air was entering the house. I shut the unit down and began to investigate.The condenser lines and base were iced over about 1/4" thick. The evaporator coils were packed with ice and not thawing (noticed when I removed the side panel to inspect) and water was not dripping out the drain.I turned off the thermostat and set the fan to "on". The blower ran and the coils immediately started thawing with moisture filling the drip pan and draining out. After several hours the coils were free of ice, so I closed up the side panel and restated the system. It appears to be working correctly, for now.I've completed previous repairs on the system myself in the past, but suspect the blower motor may not be running at capacity (and have no way of measuring output).Any suggestions?David

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Brian HVAC Guy

HVAC/R Consultant

High School

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1,386 satisfied customers
I have a lennox split residential unit. It is running a low

I have a lennox split residential unit.It is running a low superheat and it is not cooling well. It is a fixed orifice.I replaced the air filter, changed blower fan capacitor and even washed the evaporator. The superheat didnt change a bit.Evaporator 48.7FSuction line 51-55FCondenser 108.7FLiquid line 92FThere is a kink at the suction lineI washed the Outdoor unit

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Airheatman

Heating & Air Conditioning Contractor

6 years college

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9,574 satisfied customers
They say our old house AC return is too small. As it's

They say our old house AC return is too small. As it's gotten hotter the AC doesn't seem to ant to blow airJA: Did you double-check the thermostat's settings? And what about the filters?Customer: Just took the one filter out to see what kind of flow I was getting. Installed a nest and it's set at 63JA: Do you plan on doing the work yourself?Customer: The work tonight to check it yesJA: Anything else we should know to help you best?Customer: Pearl are you realJA: OK. Got it. I'm sending you to a secure page on JustAnswer so you can place the $5 fully-refundable deposit now. While you're filling out that form, I'll tell the HVAC Technician about your situation and then connect you two.

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Airheatman

Heating & Air Conditioning Contractor

6 years college

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9,574 satisfied customers
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