HVAC

Have HVAC questions? Ask an HVAC Expert for answers

Ask an Expert,
Get an Answer ASAP!

My Honeywell 7 day programmable tstat won't cool. I have an…

Customer Question
My Honeywell 7 day...

My Honeywell 7 day programmable tstat won't cool. I have an identical tstat for another floor. If I switch them, the cooling works. The bad tstat says only system is off or heat.

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

Did not check the filters, but when I put the working tstat in the system that was not working, it started to work and that tstat listed all the usual settings: off/heat/cool.

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

If I can. I sounds like something is wrong with the tstat. These are wifi capable, by the way.

Contractor's Assistant: Anything else we should know to help you best?

We had to replace another of this same model tstat right after the whole system was installed.

Submitted: 2 months ago.Category: HVAC
Show More
Show Less
Ask Your Own HVAC Question
Answered in 18 minutes by:
5/28/2018
HVAC Technician: Phil, Mechanical Engineer replied 2 months ago
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 7,426
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial
Verified

Hello, your test was well done and proves that the thermostat is indeed bad... it needs to be replaced. You can try however fitting new batteries if yours has them, put the batteries in *backwards, wait 20 seconds, then remove them and reinstall them correctly... that will sometimes reverse electronic glitches,

Also. if you give m e the full model number of the thermostat I can pull the manual and you try reprogramming it.

.

My goal is to give you the best experience possible! I hope by the time we are finished that I have earned a 5 star rating! Please remember to rate my service by selecting the 5 stars at the top of the screen before you leave today. Rating will not increase your charges but it is how I earn a living

If you need more assistance, please use the reply box and let me know.

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 Phil Your Own Question
Phil
Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 7,426
7,426 Satisfied Customers
Experience: Retired HVAC/ Electrical & Boiler contractor. Industrial

Phil 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

7,426 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
Where can I find another old but working Rodgers heat pump
where can I find another old but working White Rodgers heat pump comfort set (no ll) model IF92-6? If they do not exist in this universe anymore (mine burned out after a helper accidentally squirted i… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I have a Carrier TP-PRH01-A programmable thermostat but it
I have a Carrier TP-PRH01-A programmable thermostat but it is not WiFi capable. I would like to replace it with a Honeywell WiFi programmable thermostat. Can you tell me which model(s) you would recom… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
Have Honeywell, low voltage, 7 day programmable thermostat
Have Honeywell, low voltage, 7 day programmable thermostat from 2006. Attempting to replace with Nest wifi thermostat. Have three wires coming from the wall. One is red/white, 2 is white and three is … read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I am having an issue with my hvac system, and I am trying to
I am having an issue with my hvac system, and I am trying to do research on it. I have a gas furnace in the attic with two zones of heat, 1st and 2nd floor. The other morning when we woke up it was 79… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
I am trying to connect my wifi honeywell tstat, have
I am trying to connect my wifi honeywell tstat, have connected the wires to the correct terminals. I have the system set to heat and the condenser is kicking on. There are three zones in the house and… read more
Airheatman
Airheatman
Heating & Air Conditioning Contractor
6 years college
1,836 satisfied customers
Our old 7 day programmable kenmore themostat stopped
Our old 7 day programmable kenmore themostat stopped working. Replaced today with wifi 7 day honeywell rth9580, which runs but no coolong. Still89 degrees in house. Fan works. I set systm for heat pum… read more
HVAC Guru
HVAC Guru
Service Technician
Associate Degree
682 satisfied customers
I have a Honeywell TH9421C1004 (3 wire) programmable
I have a Honeywell TH9421C1004 (3 wire) programmable thermostat that I need to replace. It is hook up to a Honeywell Equipment Interface Module THM5421C. I would like to buy a Honeywell RTH9580WF WiFi… read more
Rick the plumber
Rick the plumber
Owner
9,857 satisfied customers
I recently bought a honeywell thermostat Model# TH8320ZW and
Hello I recently bought a honeywell thermostat Model# ***** and was wondering if my existing system can be swapped out with this new one. Blue wire= C, Pink wire= DHUM, Black = S1, Brown = S2 Orange= … read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
7,426 satisfied customers
Well, I purchased a Honeywell TH9320WF5003 tstat to replace
Well, I purchased a Honeywell TH9320WF5003 tstat to replace a TH8321R1001. Unfortunately, there are different connectors & I'm not sure how to connect it. The OB, Y and G are easy, but the new one doe… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
I have a Goodman GMS91155DXA HVAC and the Blower won't stay
Hi Tom, I have a Goodman GMS91155DXA HVAC and the Blower won't stay on during the air con cycle. It also won't go stay on in the Fan On setting either.… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 satisfied customers
hi Douglas I am looking to replace my programable thermostate (Honeywell CT8602 with a ne
hi Douglas I am looking to replace my programable thermostate (Honeywell CT8602 with a newer wifi type. The one I am replacing is a master zone compatible as I have a slave thermostat in another room … read more
HVAC_Doug
HVAC_Doug
Vocational, Technical or Trade Scho
Do you make a 7-day wireless thermostat? (I currently have
Do you make a 7-day wireless thermostat? (I currently have a 5-1-1 day Honeywell Programmable Wireless FocusPRO Comfort System installed at my Church but need to run the furnace Monday thru Sunday on … read more
R G
R G
44 satisfied customers
Im replacing a thermostat on a carrier heat pump. The old
I'm replacing a thermostat on a carrier heat pump. The old thermostat has a common wire, but the thermostat I'm installing does not have a common hook-up. The thermostat I'm installing is a ep3 southe… read more
Jerry
Jerry
Plumber
High School or GED
1,456 satisfied customers
I have a Bryant Zone perfect two zone heating and air system
I have a Bryant Zone perfect two zone heating and air system in my home. I have had the thermostats((tstat) change several times and i have changed them a few time myself. Do the tstat have to be brya… read more
servtech50
servtech50
HVAC/R service tech
216 satisfied customers
Is Thermostat "RTH75OOD" 7-day Programmable thermostat
Is Thermostat "RTH75OOD" 7-day Programmable thermostat compatible with my system which is.. "TROL A TEMP" Mastertrol Automatic balancing System II Wiring Diagram for Single Stage Heating and Cooling??… read more
M Oglesby
M Oglesby
Vocational, Technical or Trade Scho
2,010 satisfied customers
Had an old white rodgers 1f35-910 and am trying to DIY install
Had an old white rodgers 1f35-910 and am trying to DIY install a new Honeywell RTH2310. Old terminals were Y6, R5 and 4, with orange, white/red stripe and white wires, respectively. New choices are Rh… read more
My20yrs.exp.canhlpU
My20yrs.exp.canhlpU
Contractor
44 satisfied customers
I have a Lennox air handler CB26UH-R-036 and central A/C.
I have a Lennox air handler CB26UH-R-036 and central A/C. I have a Honeywell digital thermostat model TH5220D1003 where the wiring goes like this: blue cable to C terminal red cable to R/Rc terminal (… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
4,135 satisfied customers
I had a new circuit board in my Bosch combi boiler and now
I had a new circuit board in my Bosch combi boiler and now my programmer has gone mad. It is still 'speaking' to the boiler but the heating is coming on when it likes, well before the programmed times… read more
Billy
Billy
Journeyman Service Technician
State Licensed Mechanical Contractor
9,330 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