Questions tagged [blower]
The blower tag has no usage guidance.
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Blower works when the thermostat is on "COOL" and "FAN ON" rather than on "COOL" and "AUTO."
I have the old AC outdoor 567G and furnace 394G system. Several days ago it started working when thermostat was on "cool" and “AUTO.” But after several minutes the blower inside the furnace ...
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Rent insulation blower or continue DIY
My current attic is lacking in cellulose insulation. Currently I can see the top of every 2x8 joists by ~ 3/4in. When measured and assumed to be 7in of settled insulation all around, I’m guessing I’m ...
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Honeywell T10 manual fan mode not working
I have a Honeywell T10 thermostat that will not turn the blower (all electric HVAC) in manual mode. Works fine on Auto though. The HVAC is a Rheem. I just can’t figure it out. Any help would be ...
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Indoor air conditioning unit makes whirring sound on startup
I have a cooling only air conditioning unit that makes a whirring sound for a few minutes and then the sound stops. It never made it before. The air conditioning unit is a Lennox brand from the 70s.
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Intermittent Furnace Blower Restart During Heating Cycle
I have a Goodman gas furnace that I noticed occasionally (1 out of 50 times) acting strange. A few minutes into the call for heat I hear the blower turn off and begin spinning down but immediately ...
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Do I need a pulley extractor to replace the small drive belt (225-5M) for SnowJoe SJ625E?
First let me say that I called the SnowJoe technical support and they could not help.
I am trying to replace the belt that goes around the pulley marked with a red arrow in the below diagram (from ...
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Radon suction vs pressurization
Normal radon mitigation sucks out the air from underneath a house's foundation.
What if I ran the fan in reverse to blow this same air outward instead of sucking it upward?
It seems either direction ...
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Help with replacement for inducer motor in Furnace
My furnace (Ducane cmpe05ou3) started to make loud noises. When I inspected the propeller of the inducer motor, is was cracked.
The motor is a Fasco No 702111361, P/N 20538701, 115V, 60Hz, 1.9A, RPM ...
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home heater furnace blower doesn't turn on [SOLVED]
FOR SOLUTION LOOK TO END OF POST
My furnace's exact model is MMHB-077ABHR-06
,Controller is UT-1018
I have a nordyne 7076700 gas furnace for a mobile home, and the blower never starts up when heater ...
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Fault Code 41 on Carrier Infinity Heat Pump
Pardon the length but I know that if I don't cover it you all with just ask me anyway. ;-)
I had this Carrier Infinity system installed by Sears in 2009, IIRC:
Heat Pump: 25HNAB648A003
Air Handler: ...
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Goodman Gas Pack/AC unit(gpg1424060m41ab) blower fan works all day with heat and AC but will not turn on once its dark to sometime in the morning
This thread is my exact problem.
Why does my Goodman a/c blower motor randomly not work?
I have changed out the run capacitor, thr Ignition board, Furnace Vent Air Pressure Switch, transformer, and ...
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Where to wire the neutral wire?
I recently had to replace my fan blower motor and not sure where to wire up the l1 white wire for the neutral I have it on the breaker and the fan will not turn off continuously blows
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Adjust Multi-Speed Carrier Furnace via thermostat as in manual, or need to rewire?
I have a Carrier 59SC2C100S211120 furnace. The blower is pretty loud and everyone says they really feel it when it comes on. I would like to turn down the blower in normal operation and then, if also ...
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What do E and COM mean in a blower motor wiring diagram?
I'm a bit confused with the wiring diagram of this blower motor. Is the COM the neutral wire or the hot wire? And then would the E be neutral if the COM was the hot wire? Or is it the ground?
I ...
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AC and blower won't run at the same time
AC was running yesterday, suddenly the blower just stopped. I turn the AC off, the blower starts and runs fine. I turn the AC on, the blower stops immediately. Both the AC and the blower won't run at ...
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Brivis Wombat Classic startup behaviour
I have a Brivis Classic 2P Wombat 26 gas furnace in a place we moved into late last year. We didn't really experience winter then so hadn't had much of a chance to use the ducted heating much.
Now ...
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blower motor wiring
hoping someone can help me verify my wiring to a AC blower motor. I think I have it wired correctly, I followed pics I took before I swapped out the motor. According to the diagram on the motor, black ...
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Why does my furnace blower turn on when the thermostat is turned off?
The weather has been nice so we have had our thermostat turned off for about a month. The other night it turned on randomly and started blowing warmer to hot air getting the temperature to 78 degrees ...
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Ac Blower runs sometime
My ac blower works great but sometimes when the ac unit cycles on again it doesn't work I have to turn off power for awhile then it works sometimes days before happening again.
I replaced capacitor ...
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Does this sound like a bad bearing on the blower fan? (burner of oil-powered boiler)
There are a number posts about whining sounds, but it's hard to know if the posters are talking about the same kind of sound I'm hearing. It's coming from the burner of our oil-powered boiler but I ...
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Does anyone know what this fan blower thingy is?
I initially thought it was some type of paint mixer then realized the end would not fit in a drill.
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Furnace starts but Blower doesnt start
I have been having challenges with my furnace starting last winter. Every now and then the furnace doesn't start. When I go down to HVAC and open the panel and force it to restart, I see the filament ...
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Will a PVC weld cure to fill 1 mm?
When we PVC-weld an ending with a flexible pipe, the pipe is usually very snug in the ending. The weld makes the bond permanent and ensures that no fluid can pass through.
I'm trying to double-purpose ...
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How to wire 2 ton ac blower for shop fan?
This is the blower I'm trying to be able to plug in. Capacitor is already connected.
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Blower fan comes on once a week
I have basic two wire thermostat, one for power on for neutral. I only have central heat, not air. My blower fan kicked on the last two sundays, but itself, but not today which is sunday. It only ...
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AC blower unit stops working intermittent
Recently my central AC's blower unit stops working intermittently after its been on for a few days with no issues. When it stops working, I will wait a few hours and then turn on the thermostat to AC ...
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Practical ways to reduce rattling noise in furnace?
Our bedroom is right above where the furnace is in our rented apartment. The furnace below makes a lot of noise, especially a rattling noise. Landlord is refusing to take any actions on it saying it ...
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Blower will not run in fan only mode
I am trying to determine why my blower motor will run when the thermostat calls for AC and Heat but it will not run when I switch the thermostat it to fan only. I recently replaced the old Honeywell ...
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Heat Pump Compressor not turning on in heat mode
UPDATE 29-MAY-2021:
So I have it working now, after playing around with some of the settings in both the Nest Thermostat and the Zone Control Panel. In the "Pro Setup" section of the Nest, I ...
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How should I connect new thermostat wires to my heat pump?
I need some direction on troubleshooting my HVAC heat pump. I have recently purchased an older home with a newer heat pump was installed. There was no power to the thermostat.
Called repairman and he ...
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Hvac damper types - which one is quietest
I'm trying to minimize noise in a lampwork shop exhaust system. The system consists of a 1/2 hp squirrel cage type blower connected to the shop space with 8" round ducting.
I am installing a ...
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How to ground a kitchen exhaust blower fan?
Recently our kitchen exhaust fan stopped working, only humming and not moving. In the kitchen there's a butterfly damper, the exhaust switch is on the vent hood, and the motor and exhaust fan are on ...
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How do you wire a current sensor to multiple fans?
I have two booster fans that I only want to run when the main HVAC blower fan is on.
Each fan will have its own speed controller.
How do I wire them both to the same current sensor switch? Should I ...
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How much PSI does an Electric Duster have?
I bought an electric duster for use in cleaning a PC, however I would like to know how much PSI do electric dusters generally exert. I can't convert cfm to psi, because the two units are incompatible -...
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High pitched whine from either the furnace blower fan or motor
There is a loud whine or scraping sound especially when the 11 year old Furnace Blower Motor/fan starts up.
With power off, when I turn the blower motor fan blades by hand they make a scraping high ...
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Why is my blower motor drawing 12 amps on low speed - and can I do better?
I have an old lennox pulse furnace on the ground floor of a utility building, it is only used sporadically for air circulation not for heating. I replaced the blower motor about 4 years ago (original ...
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Blower turns on before furnace ignites
I have not relocated/changed the thermostat or had any work done on my furnace. The fans turn on well before the furnace starts giving off warm air, which blows a lot of cold air into my home. I have ...
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Should furnace blower run when the heat is off?
Our furnace blower is set to auto....it runs when the furnace is and is not calling for heat but the humidifier is on. This is a problem because the forced hot air system is blowing cold air which ...
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Why does my furnace blower work intermittently?
On my Goodman 3.5 ton AC/ furnace, the blower seems to only run when it wants. I changed the capacitor on the blower twice and the thermostat once- same. If it doesn't start, I turn it off for 5 ...
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Husqvarna 125b Leaf Blower not running correctly
It only has a few hours on it and may have been stored for an extended time with fuel mix in it. It starts quickly but when I give it full throttle it bogs down. If I pump the throttle lever it ...
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Blower problem on central unit
Just installed a new "smart" thermostat. The fan works on both the heating and cool setting when it is on auto. When I set it to the run position I get nothing. Is there a wiring issue?
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Furnace fan turns off when compressor turns on; unit freeze up
I have a goodman HVAC (model: GMS950904CXA). The unit froze up the other day. When I turn the thermostat to cool, the compressor turns on, the furnace blower fan turns on for a few seconds and then ...
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ECM Blower Motor Not Working at Night
So, I have had this problem going on for about a month and a half now with my A/C. Throughout the day, the A/C will work fine. However, there will come a time in the middle of the night when it ...
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Trane VX99 furnace fan to run
I would like to have the fan turn on and blow non-a/c. I only see 2 wires coming from the thermostat. In
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Changing blower motors with different wiring schemes
My blower motor crapped out and I got a basically new, used one for cheap but only realized after the fact that they were wired differently. Basically I'm attempting the opposite of this previous ...
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Aftermarket Variable/Multi Speed Blower Kits
I have a 3 year old Trane Furnace TUD1A040A9241AB with a 2 ton Cooling evaporator 4TXCA024BCHCBA. I believe it is a single speed blower or if not, I would like to figure out how to limit/eliminate ...
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Carrier furnace blower doesn't kick up to high
I have two Carrier furnaces in my home. One is 100btu the other is 80btu they use the same the mother board. I have an outdoor wood boiler that heats our house and the furnaces are only use for back ...
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ISSUE: Snowblower pushes snow (forward) rather than throwing snow out of the chute
I have an old Craftsman 3/21 snow-blower (Model: 536.884581). The snow-blower starts perfectly, motor runs perfectly and the auger spins when the drive is engaged. When I use it to blow snow, it “...
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Furnace Blower Motor fan hums but wont start
Furnace Blower Motor fan hums but wont start until I turn it by hand, then it runs fine. What should I check?
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Why is my HI HEAT terminal causing blower to run non-stop?
I am trying to troubleshoot what is causing my blower to run non stop (the condenser (outside unit) comes on only when cool is required). There is no issue with cooling the house. I read through all ...
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