Questions tagged [blower]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
0 votes
0 answers
16 views

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 ...
Rafael Yanushevsky's user avatar
0 votes
2 answers
71 views

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 ...
Helrazr's user avatar
0 votes
0 answers
25 views

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 ...
Phil's user avatar
  • 1
0 votes
0 answers
32 views

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. ...
Jumper89's user avatar
0 votes
0 answers
32 views

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 ...
carver's user avatar
  • 1
2 votes
3 answers
148 views

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 ...
MiniMe's user avatar
  • 3,380
1 vote
2 answers
169 views

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 ...
bobuhito's user avatar
  • 165
2 votes
1 answer
128 views

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 ...
Adriel Jr's user avatar
  • 145
4 votes
1 answer
207 views

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 ...
Zef the Tinker's user avatar
1 vote
0 answers
202 views

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: ...
Mike's user avatar
  • 11
2 votes
0 answers
76 views

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 ...
CryThief's user avatar
0 votes
0 answers
103 views

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
Earl Seale's user avatar
0 votes
1 answer
954 views

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 ...
HelpEric's user avatar
  • 469
5 votes
2 answers
1k views

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 ...
Lenny's user avatar
  • 51
0 votes
0 answers
57 views

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 ...
Patrick Bennett's user avatar
0 votes
0 answers
211 views

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 ...
basKT_case's user avatar
1 vote
1 answer
341 views

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 ...
Da P.A's user avatar
  • 167
-1 votes
1 answer
3k views

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 ...
Preston Parris's user avatar
0 votes
0 answers
25 views

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 ...
darryl cromar's user avatar
0 votes
0 answers
67 views

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 ...
mr blint's user avatar
  • 1,102
16 votes
1 answer
3k views

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.
Steve Wellens's user avatar
0 votes
0 answers
77 views

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 ...
Naveen's user avatar
  • 1
8 votes
5 answers
4k views

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 ...
Sam7919's user avatar
  • 549
0 votes
2 answers
880 views

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.
Michael's user avatar
0 votes
0 answers
70 views

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 ...
Evan's user avatar
  • 1
0 votes
3 answers
4k views

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 ...
Da P.A's user avatar
  • 167
0 votes
4 answers
301 views

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 ...
Koray Tugay's user avatar
1 vote
2 answers
3k views

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 ...
Brian's user avatar
  • 11
1 vote
0 answers
1k views

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 ...
Labarc35's user avatar
0 votes
0 answers
59 views

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 ...
Ernie Blair's user avatar
1 vote
1 answer
147 views

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 ...
Brian Ford's user avatar
1 vote
1 answer
265 views

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 ...
user1661890's user avatar
0 votes
1 answer
79 views

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 ...
brentonstrine's user avatar
-1 votes
3 answers
917 views

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 -...
avg9957's user avatar
  • 119
1 vote
1 answer
1k views

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 ...
Leroy PJS's user avatar
2 votes
1 answer
1k views

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 ...
Peggy Schafer's user avatar
2 votes
0 answers
89 views

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 ...
user129230's user avatar
0 votes
1 answer
69 views

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 ...
Jackie's user avatar
  • 1
0 votes
0 answers
135 views

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 ...
Willie's user avatar
  • 1
0 votes
2 answers
603 views

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 ...
Paul's user avatar
  • 187
0 votes
0 answers
25 views

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?
Destry's user avatar
  • 1
1 vote
0 answers
824 views

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 ...
Martin's user avatar
  • 11
2 votes
3 answers
1k views

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 ...
bscott1213's user avatar
0 votes
1 answer
26 views

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
Paul's user avatar
  • 187
2 votes
1 answer
3k views

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 ...
Ryan's user avatar
  • 23
2 votes
1 answer
45 views

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 ...
Tom Aume's user avatar
0 votes
0 answers
305 views

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 ...
turntops's user avatar
2 votes
2 answers
5k views

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 “...
user97485's user avatar
  • 305
0 votes
2 answers
2k views

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?
Bee Ready's user avatar
1 vote
1 answer
102 views

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 ...
Bob's user avatar
  • 11