You can also remove the two screws holding the green board in place, flip it over, and de-solder the old thermistor from the back to pull it out entirely. Then solder a new one in cleanly. If you check the backside of the board, you'll likely find the old connection is burnt up too and in my non-professional opinion, is better to remove it all and start fresh.

@nickgreek6449

Жыл бұрын

EXACTLY...Until the manufacturers caught on to us and now they bury the whole thing in rubber epoxy so we cant pull the board out..

@db0nn3r

Жыл бұрын

@@nickgreek6449 lol. Exactly what they did in my case.

@OpticalToxin

Жыл бұрын

@@nickgreek6449 what a bunch of knob-headed dingleberries

@natew.5511

9 ай бұрын

Same here on the Genteq Eon ECM modules, fully potted black silicone. I'm practicing on my failed module, but I think its possible to carefully cut a 1 inch hole in the aluminum housing right over where the inrush current limiter is soldered and solder new leads right onto the board that way. You could also run the lead wires through a small hole you drill in the side of the housing and keep the current limiter inside the housing.

@weaverp1

7 ай бұрын

yep, the bastards potted them to keep them from being repaired.@@nickgreek6449

My Genteq 1/2 hp model 5SME39HX1344 died and it costs $800+ to have it replaced. I asked to keep the motor because I figured it may be repairable. I saw this and think it's worth a shot. The end plate is filled with black rubber giving no access to the other side. There is only 2 capacitors and the Varistor SL22 1R020 sits out by itself giving easy access. I intend break the varistor and solder the new part to the exposed parts. Found the part at Digi-Key for $1.94 plus shipping. Fingers crossed.

@gmcbride6306

Жыл бұрын

Well, I got to the Varister and it OHMs out good, so no $5 dollar here. I'll look into converting my air handler from ECM to PSC.

@davidmotley4207

8 ай бұрын

If the varistor pulls 20 amp, I would be little concern with soldering. How long will it pull 20 amp, will the leads get hot enough to melt?

That's some drunk Charlie brown music for a bit....thank you

@renecuevas4128

Жыл бұрын

Drunk

Why the silly music while you are talking, it is very annoying, and hard to hear you talk clearly?

Very good information but terrible videography. Too much zoom and no auto balence on lighting. Thanks anyway.

@renecuevas4128

Жыл бұрын

Music suck

Thank you for the information I was able to fix the module by replacing the thermistor. Thank you again

Thank you. I have one in a 410 package unit( I retired in 2008) and always figured if/when it went out I would convert to a PSC motor. Thanks for pointing out it could just be a thermistor fried.

Your video saved my husband and I 1695.00 for what the HVAC tech told us was the blower motor needing to be replaced. My husband watched your video, we ordered the part for 5.00 and got the furnace and ac working. Thank you.

@huskyng6981

5 ай бұрын

Hi I live in Canada and I can't find anyone store has that part.. my part thermistor part NTC 1,0 1024, But I can't find that part number on internet or stores.. i found part number SL32 or 1R02 , are they the same, may I use that..my ecm motor is genteq 2.3 thank you sir

@sandrabrown476

5 ай бұрын

I'm sorry, I don't know if those will work for you or not..@@huskyng6981

See the pre-stage choke being a filter and rectifier for the self-sacrificing SL32 NTC. So why did the SL32 become destroyed requiring changing? Guess those capacitors retains peak DC voltage ... that would Hertz? You did mention the motor size which seems significant with respect to the capacitors? Is that PCB a switch-mode system for the motor?

Mumbling to himself, entire video is of his elbow and no one has a clue what he’s mumbling or doing cause his elbow is blocking everything. Is this a joke?

@renecuevas4128

Жыл бұрын

Music off pls

What is the Thermistor part number did you use please, the one in my ecm motor module Thermistor burn out is NTC 1,0 1024 , BUT I find this part anywhere in canada

I’m definitely going to try this. My SG349 or SL32 is burnt right off. But what is exact replacement part? There seems to be several that meet SL32. I have a carrier with motor assy: hd52ae121. 1hp - 115v. ECM. Its in a 8000vs unit. Oh and where to buy these thermistors. I found on amazon… will see if I can get locally. Thx for vid. Kid sounds great on piano.

My 2 stage furnace with variable ECM motor is $1700 …. Nice 🥷 rig … yep those pop like a surge protector.

Thanks

Mine isn't burnt and reads connected with the meter. When in the unit, it would run about half a second, stop, wait 10 seconds, then run half s second and repeat. Could this still be the mov?

They are filling the board with hard black epoxy now. Probably to prevent repair. I'm going to see if enough of my old part is sticking out to break it apart and fix.

@handyman5475

Жыл бұрын

My understanding is to protect the vulnerable electronics from corrosion from humidity and such.

@dwayneflint8332

5 ай бұрын

yeh doubt it.. planned obsolescence to force you to buy a new furnace.. dirty rotten monopoly scumbags.. pn is defunct...@@handyman5475

A c co. S asking 900 to 1200 doll for a new mod mot comb .,....I always ask why so much if all seems ok inside motor,,,,,n to be honest w u. 90 %of times there is nothing wrong with the mtr. Is just misdiagnosed.....tnks 4 ur help.....I know overseas is how they fix n repair anything who can afford AC in first place any other place than America😑

I'm thinking here in 2022 could use WEGO lever wire nuts -- coat it up with liquid tape ?

If I Temporarily jump the two pins, to check that part?? What do you think about that??

At the end of the video there is another motor working, not the same you just "repaired". It works? Not sure about your theory.

I found that my thermistor NTC 1.0 is continuity. Do you that CD294 capacitor is bad ? how to check it ? My fan model is 5SME39HX L015A. thanks

What kind of music,,,,,,,seems like ur cat enjoyed😏

I changed the thermistor in my motor but now the fan keeps running (at a lower speed) after the burners have turned off... I replaced the limit switch but that didn't fix it... any ideas?

Actually the component is not a thermistor. Thermistors change their resistance based on temperature & are often used as temperature sensors. The component that blew up on your ECM motor is called Varistor, it changes its resistance based on voltage, it acts as a voltage surge protector. Good job repairing your motor👍. You may also extend its terminals using pieces of wire to make it easy for soldering.

@EETechs

2 жыл бұрын

Actually, the component he replaced IS A THERMISTOR. He did not change out a MOV. He even called out the part number, which with a simple google search for SL32 brings up the part that is called a thermistor made by Ametherm. 🙄🙄 The thermistor is used for current limiting when power is first applied because capacitors draw in a lot of current when first charged that can cause fuses to blow or damage to other components. Yes, there are also MOV's on this board too, but the usual part to go bad is the current limiting thermistor on these ECM motors.

@harrybuckman1965

Жыл бұрын

Dude you have no idea what your talking about. Its a ceramic thermistor

@natew.5511

9 ай бұрын

No, EE Tech is correct. It's an Antherm made inrush current limiter, 20 to 30 amp, depending on motor hp. Negative temperature coeficient, 1 ohm resistance at rated temp.

I did this repair a couple years ago. A year later I thought I had a bad bearing in my carrier infinity inducer motor, but have determined the the main blower motor is making a intermittent high pitched whine (g#5 note) when on first stage. I "think" it's related to the module, but not sure. Anyone?

I work in a few AC co s here n always was required to change both Due to warranty issues,,,,,,,which is 10 yrs. With a 100 doll surcharge to owner obviously.Tnks

@renecuevas4128

Жыл бұрын

1 year

Thank you so much, very informative. What could be the problem when the ecm motor fan does not turning off, which part is bad?

@2purplemartin1

2 жыл бұрын

That would be usually a bad module too

@Bigsteve123

2 жыл бұрын

Should be the fan relay because that’s what feeds it the high voltage in some cases

Thanks,

Great video can you share with us where you got those thermistors

@nickgreek6449

Жыл бұрын

they are available online ..DIGI KEY has best deals and next day delivery standard . I buy 10 at a time .

what do you do if the end-bell housing is full of silicone?

@andreboeckx4997

11 ай бұрын

Ik heb toch de moeite gedaan om alles open te maken en de volledige module uit de behuizing te krijgen. Er waren 2 Stuurtransistoren defect =G4BC10UD3 en 1 smd MMBT4401 (onderkant). Motor draait als nieuw.

This is great the manufacturers leave one part exposed, I hope that's the one that goes bad. There are many motors that go bad and it's not the thermistor causing the problem. But you can't get to the other circuitry to replace them because they potted the circuit, they are also very inexpensive parts.

@weaverp1

7 ай бұрын

The parts are the modules aren't.

A crude dude but quite enlightening. Thanx

@renecuevas4128

Жыл бұрын

Crude. Yup

Very Aggravating music and background noise..............

Whats the link for the part?

In my case I found the 3 blue dime sized components you can see were rusted and one or more of the legs had broken off. Can anyone tell me what those items are?

@NoSuffix

2 жыл бұрын

A quick google search shows that those should be Y capacitor for EMI suppression.

whats the part number ? subbed

Just paid $700.00 to replace my blower motor

My blower motor went out 5 years ago, I wish I knew this was the fix before I paid someone to replace it for 400 bucks.

@marioramirez6741

2 жыл бұрын

Only 400? You got off easy.

@Sesamestreet9080

Жыл бұрын

@@marioramirez6741 facts lol just priced an ecm for 900 lol

Can you not get zapped pretty good?

@pablogaviria9265

3 жыл бұрын

Yes ! Always turn off power, disconnect Harnesses to the motor, then WAIT AT LEAST 5 MINUTES, before working on a ECM Motor ! Those Capacitors can be DEADLY !

Great video utterly ruined by the annoying music!

Most ECM motor fail not caused by this.

@user-ty2uz4gb7v

25 күн бұрын

So what are most ECM motors failures caused by?

May be it is called Thyristor.

Background music is never a good idea. Ever.

The clown music and the slow guy needs coffee " You can take the electronics off but....why"?

Yea drums music sucks

🤣4:26

Music is USELESS! I can turn on the TV here if I need something to distract from your message.

Useless video. showed us what exactly? You can't check the resistance of a component connected in a circuit.