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My ac compressor works fine but the condenser fan will
Hello, my ac compressor works fine but the condenser fan will sometimes not start automatically, especially in the morning, evening or at night. The condenser fan starts fine during the day. When it d… read more
airheatman
airheatman
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6 years college
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I have a Lennox 2-zone system in my house, less than 6 years
HI. I have a Lennox 2-zone system in my house, less than 6 years old. For the last few months, when I turn on the heater in zone 1 (downstairs), hot air also blows out the INTAKE vent in zone 2 (upsta… read more
Gaztech
Gaztech
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I have a Rheem RGPT-07EBRQR furnace and a Rheem central air.
I have a Rheem RGPT-07EBRQR furnace and a Rheem central air. Starting today the furnace control borad transformer blows the fuse if you put the thermostat in the cooling mode. The furnace board is a 6… read more
BillyHvac
BillyHvac
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I have a straight heat and air unit, the unit works with the
I have a straight heat and air unit, the unit works with the fan on and it works with the a.c. on. But it constantly blows the fuse in heat mode, I've replaced the thermostat, rewired the unit from th… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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Cool on just flashes. The ac quit a couple days ago / just
The ac quit a couple days ago / just didn't turn back on. The fuse had popped for the contactor (in the ac unit and needed to be replaced) I replaced it, and still can't get the ac to run via thermostat. I can bypass the contactor and ac runs fine other than I have to hold it lol. Heat and fan work. But when switched to cool it just flashes "cool on" and never does anything else. I left the batteries out for an hr, got the same result. … read more
airheatman
airheatman
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I have a Carrier Furnace/Air conditioning unit (gas) which
I have a Carrier Furnace/Air conditioning unit (gas) which was installed new 6 years ago. The 3 amp fuse in front keeps blowing when I try to turn on AC. Any idea why?… read more
airheatman
airheatman
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my thermostat wont work the AC or heat wont turn on I have
my thermostat won't work the AC or heat won't turn on I have a Honeywell model number Rth 221 b1 039… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
I see you answered a similar question 3 years ago. My Burnham
I see you answered a similar question 3 years ago. My Burnham Alpine boiler has started making a rumbling/whining noise when it cuts off. I had someone out to look at it, and he suggested that the ind… read more
Phil
Phil
Mechanical Engineer
Degree, Mech Engr Technology
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I TURNED ON AC THIS YEAR, FAN RAN FOR 20 MINUTES THEN NOTHING,
I TURNED ON AC THIS YEAR, FAN RAN FOR 20 MINUTES THEN NOTHING, NOL POWER TO HEATER AND AC OUT ,FOUND 3 AMP FUSE BLOWN, REPLACED WITH 3AMP FUSE HEAT WOULD WORK BUT COOL BLEW FUSE EVERY TIME . ON SOMEON… read more
Andrew
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I have a Carrier 8000TS furnace hooked up to a programmable
I have a Carrier 8000TS furnace hooked up to a programmable White Rodgers thermostat. Last week, the fan started running continuously, even when the FanOn/Auto switch set to "Auto" and the Heat/Cool s… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
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Hi, I have a Trane XB10 manufactured 08/2004. 11 Months ago
Hi, I have a Trane XB10 manufactured 08/2004. 11 Months ago the capacitor exploded and a reputable service tech repaired it. Last night my wife said the AC was blowing warm air, so when I came home fr… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
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My Bryant ac/furance has stopped working. It did this about
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Tom
Tom
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Vocational, Technical or Trade Scho
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I got home after the long holiday weekend to find that my AC
I got home after the long holiday weekend to find that my AC does not work. It worked fine before we left. The thermostat seems to be working, it clicks, but nothing comes on. The heater will not star… read more
Tom
Tom
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Vocational, Technical or Trade Scho
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I have a Arcoaire furnace with air conditioner. There is a
I have a Arcoaire furnace with air conditioner. There is a 5A fuse on the board in the furnace panel and it keeps blowing shuting down the system. I replace the fuse (like a automotive fuse) and close… read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,870 satisfied customers
I have a carrier Electric furnace AC.The thermostat is also
I have a carrier Electric furnace \AC. The thermostat is also a carrier non programable ( Tstathpo1-B It is about 6 years old. When I went to turn the AC on the other day the thermostat clicked like i… read more
Bart Jay
Bart Jay
Vocational, Technical or Trade Scho
My AC just stop working. My White Roger thermostat 1f79 was
My AC just stop working. My White Roger thermostat 1f79 was low on batties. I change the battiers. Now I'm trying to start my Cooling system, but it keep on blowing a 5 amp fuse on the control board? … read more
Tim H.
Tim H.
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Vocational, Technical or Trade Scho
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I attempted to switch my HVAC to Cooling today............It
I attempted to switch my HVAC to Cooling today............It blew the 2A fuse and the Thermosat went dark..........It did the same thing last year (Pressure went up and Blew the fusr).........I had a … read more
BillyHvac
BillyHvac
Journeyman Service Technician
State Licensed Mechanical Contractor
13,870 satisfied customers
My heat was working and then it tripped and the ac wouldnt
My heat was working and then it tripped and the ac wouldnt turn on. I traced it with a voltometer to a 5 amp fuse on the control boar inside the blower compartment inside the house. I replaced the 5 a… read more
gotoman for ac
gotoman for ac
HVAC Service manager and owner
Associate Degree
5,362 satisfied customers
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Meet the Experts:

Phil

Phil

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Rick Mather

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Matthew

Matthew

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Brian HVAC Guy

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Kenton Guidry

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Rick Ridley

Rick Ridley

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

Tom

Tom

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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.

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