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28 year old Carrier Furnace/AC 58DHB040-111BC. The blower is

28 year old Carrier Furnace/AC 58DHB040-111BC. The blower is just humming when I turn it on. 9 months ago, replaced run capacitor to address similar problem and started working again. Now, similar problem but more of a hum when turned on. Had a spare new run capacitor for this model (ordered a spare earlier). Replaced it. No effect - turn on blower motor and it gives off a loud hum, like motor not running.

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Daniel Plourde

plumbing, hvac technichian

Vocational, Technical or Trade School

448 satisfied customers
I have a Carrier furnace and a/c, model # FX4DNB/FX4DNF. It

I have a Carrier furnace and a/c, model # FX4DNB/FX4DNF. It is installed in my attic and I am not the original owner, so I don't have a user manual, nor am I familiar with this type of installation.What I want to know is how to access and change the filter. Thanks!

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Airheatman

Heating & Air Conditioning Contractor

6 years college

9,776 satisfied customers
Tim, I am in Australia, and our 20 year old Carrier gas

Hello Tim,JA: I'll do all I can to help. How long have you been dealing with this?Customer: I am in Australia, and our 20 year old Carrier gas furnace has been behaving erratically, coming on and off several times in as many minutes. Now it has stopped working completely. Can you help?JA: Did you double-check the thermostat? And what about the pilot light?Customer: Thermostat did work when the temp in the house was low, and we have had strong winds, so I will check the pilot light in the morning. THanks for your advice.JA: Do you plan on doing the work yourself?Customer: Have checked pilot lights before, but if it is more than that I will have to call in a technicianJA: Anything else we should know to help you best?Customer: Any advice about the erratic behavior of the system coming on and off frequenly, like every 30 seconds?

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D.E. Anderson

Industrial Refrigeration Service Manager

260 satisfied customers
We have a carrier comfort zone 2 in our house. All the zones

HI! We have a carrier comfort zone 2 in our house. All the zones are cooling properly, except zone 5 which is our master bedroom. The problem we are having is that no matter what we set the temp on it gets extremely cold in there. I will turn it up to 82 degrees and it will still be between 72 and 76. It is like an ice box. Any idea what it happening?

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HVAC Guru

Service Technician

Associate Degree

25,362 satisfied customers
My Carrier mini-split ductless AC unit is leaking badly into

My Carrier mini-split ductless AC unit is leaking badly into the house, soaking my carpets. I read that you should insert Chlorine tablets into the drain pan to keep algae form forming, but I do not see a drain pan. Do you have to take the unit apart?

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BillyHvac

Journeyman Service Technician

State Licensed Mechanical Contractor

11,644 satisfied customers
I have a carrier model 24ANB1/24ANB7. The unit stopped

Hi, I have a carrier model 24ANB1/24ANB7. The unit stopped working and the panel is showing error 84, high pressure lockout. I reset the unit from inside and out side, but it is still not coming back on. Thanks for your help. //KhalidJA: How old is the appliance? Have you gotten error messages before?Customer: No error messages in the past. The unit is only 4 years old.JA: Do you plan on doing the work yourself?Customer: I don't mind doing it with some help.JA: Anything else we should know to help you best?Customer: Nope

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Airheatman

Heating & Air Conditioning Contractor

6 years college

9,776 satisfied customers
My blower will not come on and I have power to the unit and

My blower will not come on and I have power to the unit and LED light is a solid redJA: Did you double-check the thermostat? And what about the unit's filters?Customer: Filters are good and thermostat is set a 73 on cool and the room temperature is 83JA: What are all the symptoms of the problem (error codes, flashing lights, etc.)?Customer: no error codes is and unit out side is running and pipes are sweating out side so the air exchangingJA: What happened just before this problem started? What troubleshooting have you tried?Customer: Unit was on and I was out of town, came back and room was hot and thermostat at 75 and room at 89. Cycled power to the unitJA: Anything else you want the HVAC tech to know before I connect you?Customer: no

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HVAC Guru

Service Technician

Associate Degree

25,362 satisfied customers
I was wondering how old my furnace is? it appears as i only

I was wondering how old my furnace is?JA: Did you check the furnace's filters?Customer: it appears as i only have a side unit which is a Space Guard High Efficiency Air Cleaner Model 2200. the furnace is a pusle 21 by lennox.JA: Do you plan on doing the work yourself?Customer: I was just doing homework to see if it is time for a new furnace or what. I know that my air conditioner unit is about a 1984 model and it is on its last leg.JA: Anything else we should know to help you best?Customer: That is all I know so far. I can go look for more info.

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Phil

Consultant to Engrs, Govt & Contractors

Degree, Mech Engr Technology

9,868 satisfied customers
Touch n go TC-PHP thermostat: I set AC to 77 degrees and

Touch n go TC-PHP thermostat: I set AC to 77 degrees and system comes on, runs for 10-20 minutes, go off for 5-6 minutes, then comes back on even through the temp never moves from 77 the whole time. If the temp is set to 77 and the unit shows 78, it comes on as it should, but continues to run for 10 minutes or longer when it reaches 77 and then goes through the cycle described above. Is this a function of the set point sensitivity being less than 1 degree therefore the room temp doesn't need to get up to 78 before it comes on? Is this normal? (System was just checked yesterday -- puron level OK, all else working).Eddie

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HVAC Guru

Service Technician

Associate Degree

25,362 satisfied customers
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