HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Connect one-on-one with {0} who will answer your question

Related HVAC Questions
We have a Carrier Infinity Touch system manufactured in
We have a Carrier Infinity Touch system manufactured in 2017. Last Friday we were unable to turn on the unit from the inside control panel. It would say cooling but the operational status showed the A… read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
3,103 satisfied customers
Our outdoor unit won't turn on, even though the fan will. I
Our outdoor unit won't turn on, even though the fan will. I took off the cover to look, the status light is giving the flashing 82 code … read more
Tamar D
Tamar D
Mechanic II
Vocational, Technical or Trade School
3,103 satisfied customers
I'm having problems with my condenser unit at my house,
I'm having problems with my condenser unit at my house … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
12,092 satisfied customers
I HAVE A CARRIER CONDENSOR MODEL ***************** IT TRIES
I HAVE A CARRIER CONDENSOR MODEL ***************** IT TRIES TO START UP ON HIGH SPEED BUT CONTACTER KICKS OUT THS START CAP IS GOOD AS WELL AS RUN CAP FREON PRESSURE GOOD VOLTAGE IS CORRECT … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
12,092 satisfied customers
I have a Carrier Infinity Unit. Model # 24ANB74A0031030. The
I have a Carrier Infinity Unit. Model # 24ANB74A0031030. The unit is not cooling. It is throwing a 72 Thermal Cutout in High Stage code. I had let the unit cool down for 24 hours and this is the code … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
12,092 satisfied customers
It wasn't clear to me how this works. How much does it cost
Hi Pearl, It wasn't clear to me how this works. How much does it cost to talk to an HVAC expert? … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
12,092 satisfied customers
I have a Carrier Infinity system with an electronic
I have a Carrier Infinity system with an electronic thermostat. A message now appears that there has been a "System Malfunction," system fault 82, Thermal Lockout in High Stage 4." Is there something … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
12,092 satisfied customers
My air conditioner stopped running. On the service menu I
My air conditioner stopped running. On the service menu I see listed "fault 71-thermal cutout in low stage" and also "fault 71-thermal cutout in high stage" … read more
airheatman
airheatman
Heating & Air Conditioning Contractor
6 years college
12,092 satisfied customers
Carrier AC model 24anb630a300, control board yellow flashin
control board yellow flashin 8 times fast then 2 slow … read more
Gaztech
Gaztech
Technician
Vocational, Technical or Trade School
1,803 satisfied customers
I have a Carrier Infinity, installed in 2008. I bought house
Hello, I have a Carrier Infinity, installed in 2008. I bought house Aug 2016,worked great for a year +. Last fall started having alot of issues and random codes. It eventually stopped cooling. Had dif… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
Carrier Infinity (Air Conditioner) Keypad says "System
Carrier Infinity (Air Conditioner) Keypad says "System Malfunction". Error codes: 82 (thermal lockout in high stage) and 72 (thermal cutout in high stage). Error 71 was appearing recently but has stop… read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,101 satisfied customers
have a client that had electrical problems in the house , after
have a client that had electrical problems in the house , after restoration of power Carrier 24ANB1 Infinity series showing Alarm code 72 , high stage thermal cutout. also outdoor fan is not running. … read more
BillyHvac
BillyHvac
Journeyman Service Technician/Inspector
State Licensed Mechanical Contractor
15,101 satisfied customers
Actually I have been working on Infinity model#25HNA660A300
Actually I have been working on Infinity model#25HNA660A300 and Have already changed compressor, capacitor, board. I did this because technical consultant for Carrier had told me to do this according … read more
joeydelia
joeydelia
HVAC Technician
185 satisfied customers
Both indoor and outdoor coils are very clean. On carrier Heatpump
Both indoor and outdoor coils are very clean. On carrier Heatpump still code#72. Again ran water over compressor, outdoor fan runs; but compressor high thermal lockout....remove pin plug-²⁴v reset hig… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
I have a Carrier Infinity system, 25HNA636A heat pump, that
I have a Carrier Infinity system, 25HNA636A heat pump, that is giving multiple codes. Here are the codes in the order 1st to last. code 71- Thermal cutout in low stage, code 85- low contactor open, co… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
Today I had an error code of 71 followed shortly by a code
Today I had an error code of 71 followed shortly by a code of 81. The system is a Carrier Infinity two stage heat pump about four yaers old. Any ideas??? Model 25HNA636A… read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
there is a error code -72 thermal cutout in high stage on the
there is a error code -72 thermal cutout in high stage on the infinity thermostat. The Outdoor compressor comes on for a few minutes but the air never gets cool. Also error code 71- thermal cutout on … read more
gotoman for ac
gotoman for ac
HVAC Technician
5,468 satisfied customers
We have a model 24ANA736A. The AC just quit. I ran a check
We have a model 24ANA736A. The AC just quit. I ran a check on it and came up with 2 faults: 71 - Thermal cutout in low stage and 72- thermal cutout in high stage. What's the problem?… read more
Rick Mather
Rick Mather
HVAC Tech
Vocational, Technical or Trade Scho
3,631 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

You did one super job of explaining to me everything there is to know about this fridge. I'm looking forward to asking you questions in the future.

JimmyBagley, IA

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,029 satisfied customers

I have been an HVAC/R mechanic/technician for 30+ years.

Kenton Guidry

Kenton Guidry

HVAC Technician

963 satisfied customers

12 years install/service experience.

Jerry

Jerry

Service Technician

575 satisfied customers

HVAC Technician. Hearth Products Specialty

A-1 Tech

A-1 Tech

Service Manager

526 satisfied customers

I have been in the HVAC business for over 40 years.

Thehvacguy

Thehvacguy

LIC HVAC,Plumber

426 satisfied customers

Certified HVAC Universal Technician,Lic plumbing contractor, 28 yrs exp

Drcool

Drcool

HVAC Technician

264 satisfied customers

i have been an A/C tech for the past 30 Years. working on window types, split type, and package

N4IEA

N4IEA

NATE Certified; HVAC Technician

227 satisfied customers

Retired, HVAC / Electrical Technician / Contractor 35-years Experience.

< Previous | Next >

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x