HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

Have heat problem, bought new thermastat, no display of

Customer Question
Have heat problem, bought...

Have heat problem, bought new thermastat, no display of temp, fan on auto runs

Contractor's Assistant: Did you double-check the thermostat's settings? And what about the filters?

Settings? you mean the wire connections?

Contractor's Assistant: Do you plan on doing the work yourself?

Yes

Submitted: 8 months ago.Category: HVAC
Show More
Show Less
Ask Your Own HVAC Question
Answered in 7 minutes by:
12/21/2017
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,614
Experience: 40+ yrs. experience as a licensed oil & gas technician.
Verified

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your

issue. First I’ll need some more info so I have a more complete picture of your situation. What is the brand and model of your furnace?

Ask Your Own HVAC Question
Customer reply replied 8 months ago
coleman dont know model 92% efficiency 17 years old
Customer reply replied 8 months ago
no thanks, ***** *****
Customer reply replied 8 months ago
you still there Rick?
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Yes. Are you getting a flash code on the control board?

Ask Your Own HVAC Question
Customer reply replied 8 months ago
on the furnace?
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Yes

Ask Your Own HVAC Question
Customer reply replied 8 months ago
well that is a problem, I'm on second floor, furnace is in basement
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Most likely this is a furnace problem. I need this info to assist you further

Ask Your Own HVAC Question
Customer reply replied 8 months ago
why doesnt the temp show on the thermostat?
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

Most likely because you have a furnace issue. An open limit circuit would cut off power to the thermostat.

Ask Your Own HVAC Question
Customer reply replied 8 months ago
ok, i will call my furnace tech, thanks
HVAC Technician: Rick, HVAC Supervisor replied 8 months ago

You're welcome

Ask Your Own HVAC Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a hvac technicianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Rick Your Own Question
Rick
Rick
Rick, HVAC Supervisor
Category: HVAC
Satisfied Customers: 24,614
24,614 Satisfied Customers
Experience: 40+ yrs. experience as a licensed oil & gas technician.

Rick is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

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:

Phil

Phil

Mechanical Engineer

7,634 satisfied customers

Retired HVAC/ Electrical & Boiler contractor. Industrial

Rick Mather

Rick Mather

HVAC Technician

3,133 satisfied customers

35 years experience, HVAC

Matthew

Matthew

HVAC Technician

2,014 satisfied customers

14 years experience in the HVAC field of service, installation, Manual J & D calculations

Brian HVAC Guy

Brian HVAC Guy

HVAC Technician

1,024 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.

Rick Ridley

Rick Ridley

UK Heating Engineer

871 satisfied customers

Retired But have had 30 years on the tools, Ex CORGI

Tom

Tom

HVAC Technician

770 satisfied customers

16+yrs HVAC/R service. Residential Commerical Industrial

< Previous | Next >

Related HVAC Questions
I have a Honeywell Thermostat with z-wave connected to my Vivint
I have a Honeywell Thermostat with z-wave connected to my Vivint security system. My HVAC is a Trane heat pump. The outside temp is about 15 degrees, so I set the thermostat to emerg. heat. Got nothin… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
Just installed RTHL221. Fan runs but screen will not clear
Just installed RTHL221. Fan runs but screen will not clear when I hold up and down buttons simultaneously. I DID NOT shut off power to furnace during installation. After checking all connections with … read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
Hello, my heat and fan work fine if I set the Honeywell thermostat
Hello, my heat and fan work fine if I set the Honeywell thermostat fan setting to "on". If I have it set to "auto" it is not triggering the fan when it should. Any thoughts?… read more
SWFLHVAC
SWFLHVAC
67 satisfied customers
I have an Armstrong gas furnace, model no. 911-G6-120, that
I have an Armstrong gas furnace, model no. 911-G6-120, that is at least 45 years old. I have lived in my house for 13 years and haven't had any problems with the furnace. When the furnace is not call … read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
We have a 7 day programmable thermastat and the house remains
We have a 7 day programmable thermastat and the house remains at 58 degrees. The instructions on the lid of the thermastat do not work. (might be the human) How do I change the temperature so the hous… read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
I have a ComfortMaker Furnace (dont have the model number
I have a ComfortMaker Furnace (don't have the model number with me). It stopped working completely yesterday. I have the old fashion dial thermostat that has selections for heat, ac, off. And another … read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have a Trane ac unit and the thermostat is a Trane, there
I have a Trane ac unit and the thermostat is a Trane, there are 2 heat options EM Heat and heat. I have tried both settings but I don't seem to get the heat going. What am I doing wrong?… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
596 satisfied customers
Hi I have an older honeywell thermastat for a central AC and
Hi I have an older honeywell thermastat for a central AC and heating (3 1/2ton unit) the numbers I can see on the thermastat are ct3200A1001 9828 PF1C. The serviceman replaced the condensing unit, but… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I have a Honeywell EnergyStar Programable Thermastat and while
I have a Honeywell EnergyStar Programable Thermastat and while it is set on Heat at 72 degrees and the fan is on Auto, it does not come on althought the temp in the house is 67 degrees. There is a sma… read more
ComfortZone
ComfortZone
Associate Degree
485 satisfied customers
Im installing a new Honeywell TH8320U1008 thermostat that
I'm installing a new Honeywell TH8320U1008 thermostat that will run a Armstrong Air Concept 1000 heat pump. The old mercury switch thermostat had 7 wire connected to it. yellow to y green to g red to … read more
Richard
Richard
District Technical Manager
Vocational, Technical or Trade Scho
1,416 satisfied customers
I installed a new thermastat over the summer. the ac ran fine.
I installed a new thermastat over the summer. the ac ran fine. now that it is getting cooler i switched to heat and the compressor will not turn on. When i switch the thermastat to ac it still works f… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
Honeywell RTH3100C wont turn off heat on reaching set temperature
Just installed a Honeywell RTH3100C thermostat. Heat won't shut off when it reaches the desired temp. Black wire is not used.… read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
I have a carrier weathermaker 8000 two speed furnace i just
I have a carrier weathermaker 8000 two speed furnace i just installed a new hunter thermostat model number 44860 i set the programs the thermostat will turn on my blower but it will not ignite the bur… read more
Kenton Guidry
Kenton Guidry
HVAC Technician
Vocational, Technical or Trade Scho
963 satisfied customers
I have the honeywell chromotherm IV what temp should I be setting
I have the honeywell chromotherm IV what temp should I be setting it on for the cooling fan to turn on?… read more
drcool299
drcool299
shop owner
Bachelor\u0027s Degree
22 satisfied customers
installed new thermostat today. ac is not blowing inside of
installed new thermostat today. ac is not blowing inside of house, but is fan is blowing outside. I have 4 wires. Red which I connected to Rh with the red jumper wire still in place b/t the Rc and Rh … read more
Mark Henley
Mark Henley
HVAC Controls DDC
3,209 satisfied customers
I have a Trane XE78 furnace. The problem I have seems electrical.
I have a Trane XE78 furnace. The problem I have seems electrical. The blower constantly runs when cooling cycle stops. Thermastat is on auto/ cooling. I disconected thermastat to c if that was the pro… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
have a carrier 38cks Central A/C Unit. The unit will only
have a carrier 38cks Central A/C Unit. The unit will only start if I manually press a contact located behind an access panel on the unit. Any ideas?… read more
drcool299
drcool299
shop owner
Bachelor\u0027s Degree
22 satisfied customers
I have a new Honeywell TH3210D1004 thermostat that I cant
I have a new Honeywell TH3210D1004 thermostat that I can't seem to get to work correctly. When I turn it to heat, it heats. When I turn it to cool, it cools. However, in both circumstances, the settin… read more
Rick or Nick in Texas
Rick or Nick in Texas
General Manager-Lead Tech
Own and run HVAC business 29yrs
44 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.

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