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My blower fan on a/c unit only comes on when i go out side and turn it once by hand

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Sounds like a capacitor may need to be replaced

Posted on Jun 22, 2009


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When my heat comes on , the blower doesn't blow it just mummes. I can turn the fan by hand and it is free. the out side unit is working . Can it be the coil on top of the fan? It a Model EB17B Coleman

It certainly could be the motor capacitor; the oval metal can located on the blower housing.


These are fairly simple to test with a digital meter that measures capacitance. Also, if it is bulged or has a hole blown in it, you know it is bad. These are available at almost any appliance parts store locally or at

It also could be the motor relay (#12 in the manual)


You can download the furnace install manual and wiring diagram here:




Grainger Industrial Supply MRO Products Equipment Tools

Jan 26, 2015 | Coleman Heating & Cooling

1 Answer

How to remove and reinstall heater fan motor on a 2002 Buick LeSabre ?

remove the plastic panel underneath the passenger side dashboard area. This panel contains built-in retaining clips and simply pops off by hand.
remove three 8mm holding the blower motors assembly into the dashboard HVAC unit, use a 1/4-inch ratchet and an 8 mm socket. Remove the blower motor's electrical connector and discard the old blower motor. Install the new blower motor in the HVAC cavity and replace the 8 mm mounting nuts. Reconnect the blower motor's electrical connector and replace the plastic panel. Turn on the ignition and test the blower motor on all of the fan speed settings

Oct 25, 2014 | 2002 Buick LeSabre

1 Answer

My heater in my peugeot 206 gti is on constantly..tried changing the climate control unit but it has made no difference...any ideas?. thanks :)

According to the Peugeot dealer the 206 gti thermostat resistor is embedded in the heater blower fan, so the blower fan must be replaced ( Supplied VIN # for confirmation). However the how to remove the blower is the subject of many discussions on every 206 site. Some say turn blower clock wise, anti clock wise, remove hex screw, don't remove screw. So I am still waiting for a sure answer, I picked up a blower (second hand) but the old blower wont budge, clock or anti , someone suggested to try brute force like with a hammer, I am not game to do that, but I may have to.

Jul 11, 2012 | Cars & Trucks

1 Answer

I have a trailer with a duo therm ac..the outside fan is coming on but nothing is blowing thru the registars

Not sure where your located, so check that unit didn't freeze up on you. Make sure evaporator and condenser coils/fins are clean and run on fan only to aid in thawing them out. Once you see condensation running off roof good, try using cool again and see what happens. When they freeze up, airflow gets restricted through unit. The outside fan and blower wheel for forced air inside are attached to same motor, so if fan is working, blower wheel should be turning as well unless it is broken, or allen key has come loose on clamp around center of blower wheel. Other possibility is that the blower wheel is turning but forced air ducts have blockage at inlet, which will require letting ceiling assembly down to inspect, or removing cover on roof and screws at front evaporator and opening it up. Make sure power is off during inspection.

Sep 12, 2011 | Dometic Rooftop RV Air Conditioner

1 Answer

My ac unit is not working....when I turn the thermostat on, it sounds like it's trying to come on however, the fan in the unit is not blowing air. The Model #FS3BRA-024KA. The unit is 10 yrs old.

If you are talking about the indoor blower, you can possibly take the door off the air handler, make sure the door safety switch is pressed in, and try turning the blower wheel with your hand and see if it will start. If it binds up and still won't start, the motor bearings are worn and you will need the motor replaced. If it starts up, and runs for a while, you may have a bad capacitor. The capacitor looks kind of like a battery and is mounted to the side of the blower wheel housing. Be careful working with electricity, I hope this gets you started in to finding the problem. Mark

Jul 10, 2011 | Heating & Cooling

10 Answers

1997 Isuzu Rodeo V6 4X4. I have only owned this vehicle for 3wks and the fan/ac wont blow at all out the vents. The blue light comes on when i push the ac button but that is all it does. I don't know which...

C-19 Blower motor fuse 25A located in cabin fuse box. Left hand footwell on LHD vehicles, right hand dashboard on RHD vehicles.
Start by checking blower relay B-36 in the engine compartment fuse and relay box. Remove the relay. Jumper directly from battery to pins 85 and 86. (also see here: if you dont know about relays) The relay should click Now measure across pins 30 and 87. Measurement should be 0 ohm.
Remove the blower motor(3 screws on the bottom of the unit under the passenger side dash) and connect jumper leads from the battery directly to the blower motor to see that it operates.
The blower motor resister is mounted on the ducting between the motor housing and the heating unit. Remove to test
Measure :
  • pin 1-2 : 2.4 ohm
  • pin 2-4 : 0.9 ohm
  • pin 2-6 : 0.28 ohm
  • pin 2-3 : 0 ohm

Aug 21, 2010 | 1997 Isuzu Rodeo

1 Answer

Came home today and the AC will not come back on. The out side unit is working, but the blower inside will not come on. Also the light on the control board will not light up at all. Does anyone hav

turn off power to indoor unit feel the fan motor if hot and turns rough bad if hot and turns smoth then most likley capacitor if cold check 5 amp fuse on the board jump red stat wire to green if no fan relay bad if fan stat bad hope this helps

Jun 03, 2009 | Goodman CLJ30AR32 Air Conditioner

2 Answers

The heater fan/blower on saab 93 convertable does not start

this is a common fault on all saab 9-3 2003 onwards models, the heater blower seizes up. it is easily fixed.

first pop the bonnet,underneath on the passenger side wiper, lift the cover out and you will see a pollen filter, remove pollen filter and behind it you will see the fan motor, put your hand inside and rotate the motor, if it is seized or needs a bit of power to rotate then you need a new heater blower, in uk ring 01706825600 in rochdale saab specialist, they have a second hand blower for £75 and new one for£160,

once you get your motor proceed to the passengerside foot well, remove the glove compartment, then you will see the blower, now you also need to remove the underneath strip of plastic under the glove box and the side plastic cover that runs along side the gear box, there is a hidden compartment next to the hand break which resembles the hand break, open it and remove the two screws inside, all the screws are black for the plastic fittings and for the motor they are grey. th underneath plastic trimming of glove box has two screws remove them and pull the cover off, a little force may be required.

once the blower heater is fully exposed there will be a metal black strip infront of it that cannot be removed. the only part of the blower you want to remove is the bottom bit the rest will stay intack in its original place, now the air distribution pipe is connected to the blower just to hold it up, remove the screws and pull it out of its connection of the central console there is no adhesive used so just pull hard, then put it to the side.

the bottom of the blower has a power unit with a connection, unplug it, the actual power unit has 2 grey screws remove the power unit as this will not be provided when you buy a new fan blower, it is sold seperately costing £70, this part has to go onto your new blower so just leave it on the side for now,

this is the hard bit, you have to remove all the screws of the bottom half of the blower and all the screws holding the blower in its place, and also 1 bolt which will require a spanner.bolt is located on the left hand side of motor and is clearly visible, there are screws at the back of the blower, you will need to become a gymnast here and remove theree or for screws at the back, where the carpet ends there are two screws which you will need to get at with a bit of an angle here, it might seem difficult but keep trying, use a narrow screw driver not the 1 with a bulky handle, then there are two or three more screws at the back, you will be experiencing a bit of back pain now.

once you have removed all the screws the blower should be loose, remember we do not want to remove the whole unit just the bottom half, unclip the bottom half of the blower and pull it out, get the new blower stick on the old power unit onto it, plug it in, just see if it works, if it doesnt then may gold help you, but if it does work which its suppose to then proceed as normal, stick every thing back together, once all the bottom screws are on, stick the outlet air distribution pipe back on to the motor, this will hold the motor up, dont forget the bolt, and dont forget to connect the power cable to the glove box light, the rest should be easy, just put every thing back together.

Feb 16, 2009 | 2004 Saab 9-3

2 Answers

Honda Civic heater / blower noise.

you need to remove your glove box assy.(beleave only 2 screws and pivot clips) make sure its not anything from glove box that has slipped behind. once box is out uf way you can access easier the blower motor assy. it actually attaches into blower box from bottom side. when looking at you will find three screw/bolts fastening motor to casing. remove those and then slowly lower motor and fan cage(attached to motor shaft) out from housing. sometimes it takes a little convincing to come out but not real tough. once out you most likely find the object causing noise in fan cage or resting up on lip area of housing unit. once found install in reverse order. let me know if this helps or if we need to dig a little deeper into! good luck!

Feb 02, 2009 | 1999 Honda Civic

5 Answers

Mr. Slim MS12- Mold Problem

I have had to clean mine on a yearly basis. On mine once I have the cover off, I can remove a couple more screws, disconnect the baffle motor and the drain connection and pull the drain pan off to gain access to the barrel fan. The first time I cleaned it with a small bottle brush and bleach water. I scrubbed each fin individually, alot of work! I used a pressure bottle(for the garden with wand) to rinse the fan. Then the next year I used a Shark Steamer to clean and kill the mold, still alot of work but easier then scrubbing. I am going to try rinsing it more often with white vinegar to kill the mold.

Jul 26, 2008 | Mitsubishi Mr. Slim MXZ30TN Air...

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