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Questions tagged [blower]

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Replacing blower on furnace and it’s filled with water

My blower was failing on my old furnace and I am replacing it. It sounded like there was water sloshing around inside it but I assumed it was just the bearings wearing out and that I didn’t know what ...
Charles's user avatar
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0 answers
25 views

Blower motor fails directly after maintenance check and AC float switch install

I had a maintenance check on my Carrier HVAC and also had a float switch installed. All checked out fine and I turned off the AC til the next day because it was cold in the house. The next day it ...
Lisa's user avatar
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0 answers
18 views

ECM tester 24 volts

I purchased the SUPCO "Universal ECM Tester", but I am not sure where attach the two red and black "alligator clips" in order to power the ECM Tester. I've read that it needs 24 ...
wbbman's user avatar
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1 vote
0 answers
31 views

Quieting a loud HVAC blower and static pressure concerns

I recently moved into a ~1200 sq ft third-floor condo where the blower setup is off of a closet in the living room. The only return (20"x20") faces the living room area. If you open the ...
WhatAWorld's user avatar
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0 answers
13 views

Heat Pump GE Blower Motor Rotating In The Opposite Direction

I bought a used GE 5KCP39GG R359S 1/3hp Motor, 200/230V, 1080rpm, Trane PN: D800349P01 Blower Motor that is exactly the same model as the one I’m replacing. The problem is that the newer (used) motor ...
Allen's user avatar
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1 vote
0 answers
70 views

Furnace blower works when turned ON from thermostat. Furnace does not start when Fan is on Auto mode - gives blower communication error

My heating (Forced Air/Gas) stopped working and I noticed B5 error code on board - "Blower motor locked rotor". After replacing the blower motor (ECM motor), I am getting B1 code - "...
user179432's user avatar
0 votes
2 answers
297 views

Wiring 2 Speed Blower Motor To DPDT / 3 Prong Plug

I was hoping to get confirmation on how to wire this up properly. I’m wiring a 2 speed blower motor to a DPDT switch for high/off/low functionality, and from there to a 3 prong power cable. Blower ...
Gregg's user avatar
  • 3
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0 answers
91 views

Carrier Furnace Blower Motor Won't Run

Troubleshooting 25-yr old Carrier Furnace. Blower motor will not start. 24V at terminal strip (R and COM) on board. Checked all (4) limit switches; cleaned flame sensor and replaced igniter. Finally ...
Gruden's user avatar
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0 answers
17 views

Why does my indoor blower shut down 5 min after when I turn to heat mode?

I have a Tempstar Heat pump system and starting this year I went to heat mode. Heat pump comes on along with the indoor blower. 5 min later the indoor blower will turn off but heat pump remains ...
Cole's user avatar
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0 answers
25 views

Can I change a hood range blower to work with an inline duct work?

I purchased a Zline range hood that has a remote blower that goes in an attic by mistake. I need the duct work to go outside before the ceiling height. Can I put a blower in the middle of the duct ...
Pete Gutierrez's user avatar
0 votes
1 answer
86 views

Multiple vents inside and outside laundry room

I have recently moved in a house built in 2021. Its been a couple of months but I noticed today that there is an exhaust vent that is continuously running in the laundry room and there is no switch ...
Sam's user avatar
  • 3
0 votes
1 answer
120 views

Can a high power leaf blower damage my house?

I get a lot of bugs that accumulate along the side of my house, under the soffits, around the ledges of single-hung windows, etc. I would like to try a leaf blower to blow all these junk off. Some ...
User7391's user avatar
  • 133
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0 answers
13 views

AC blower after changing capacitor

My ac blower was not turning on last night. I changed the capacitor and the blower turned on. The ac ran fine for maybe a couple hours and the blower is not running again.
Robert's user avatar
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1 vote
2 answers
608 views

Why isn't my furnace fan running when the thermostat is calling for it?

The fan is set to always on but it's apparent that the fan is off most of the night. When I wake up I never feel air blowing through the vents. When the window is closed during the night CO2 PPM ...
John Amrols's user avatar
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0 answers
19 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
126 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
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0 answers
71 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
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0 answers
39 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
2 votes
3 answers
579 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
  • 3,402
1 vote
2 answers
439 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
390 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
995 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
461 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
139 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 ...
Thursday's user avatar
0 votes
0 answers
117 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
3k 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
  • 501
5 votes
2 answers
2k 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
134 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
382 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
454 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
7k 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
33 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
148 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
  • 1,840
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
91 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
  • 743
0 votes
2 answers
1k 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
71 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
9k 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
581 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
5k 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
2k 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
76 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
224 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
355 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
88 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
1k 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
2k 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
2k 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
121 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