How to Read Ohms on a Compressor

[@user-qv9cm3on7b]

Hey I'm an HVAC I use your videos all the time to teach my class start run common thanks a lot

[@olivetree633]

Thank you for this informative video. You explained it with details better than other videos I've watched before. I felt like I was in a class room listening to an instructor who cares about teaching his students. Awesome.

[@jollyscaria1922]

High estand medium comaon fater vstarting .highest and lowest comon facter runing. Medium and lowest comon facter comon . Comon. Expls Resistance bet ween 1.and2=50ohms.ighest Resistanc between 2 and3 30ohms .medium Resistace bet ween 1 and 3 =20 ohms .lowest

[@nomis204]

This is by far the clearest and most useful explanation on how to test a compressor that I have seen. Nice job, thanks.

[@MrAgoniatis]

Thank you for a plain and simple explanation for someone that has no experience in HVAC. GREAT JOB KEEP UP THOSE GREAT VIDEOS.!

[@FlextheJuvat]

This video did an excellent job explaining the relationship of those three pins. Doug has a real knack for teaching. Thanks for the video!

[@cgtotty]

Thank You, Sir ! A clear, concise, easy to understand video. Job well done !

[@spiffiestsquid481]

Haven't done it in awhile I've had an office job, needed a refresher. Thanks

[@jeffreymaupin6398]

Wonderful presentation! Nearly all residential homes have condensers clogged with dust, and compressors covered with dust. Hopefully more of us will make the effort to clean these.

[@Mike-01234]

Actually, the evaporative coil is what gets clogged with dust more than the condenser coil. People put those highly restrictive filters on so dust is sucked in from the attic through leaks in the duct work goes into your evaporative coil. It's easy to clean the dust a I use one of those pumps with distilled water washes the dust right out.

[@Mike-01234]

Thanks for the video I had an AC man tell me my compressor was dead I needed a new unit. I told him I wanted him to OHM test like you did suddenly he claimed his meter was broken. I asked him how he knew my compressor had failed he said it won't start I told him could be the capacitor. He said didn't have the part and left. I called another tech he came out I told him what this other guy said he did the ohm test, and my compressor was good the cap was bad replaced the cap and it worked. So many crooked AC guys here in Phoenix they know in the summer you do anything to get that AC turned back on.

[@matthewlund5252]

Awesome. This is a good video. Short and accurate.

[@awatule]

Good job homey

[@robertwilliams6288]

Thank you for drawing it out an explaining it easier to understand how to ohming out a compressor new hvacr student.

[@stabgaming8158]

I'm just learning HVAC and this helped a lot

[@jbourdier6824]

Your explanation was great, clear and easy to understand, keep up the good job.Thanks

[@kckcmctcrc]

Thank you! I heard a guy say the reading should be the same between the 3 points. Was thinking I had something wrong because one of my readings was a lot higher. This makes sense. Thanks again.

[@robertcherry4971]

Will be the same on a three phase compressor . For example all three pins may be 3 ohms. The compressor depicted here was a single phase compressor and that is how the pins ohm out on a single phase.

[@windturbineclimber5412]

Im a electrician studying to get into appliance repair. This video just clairfied a question I had. Thanks

[@valourexonerated7046]

An electrician earning twice as much as a 1ph appliance technician. Lol yeah you ok

[@dledesma6675]

Thanks for taking the time, really helpful

[@Tito_hvac]

Excellent video. Simple and clear 👌

[@bonganiedwardmthethwa6455]

Thank you for a clear detailed video.

[@obfuscated3090]

Good training video, simple and clearly explained. (I'm a retired aircraft mech and avionics tech but new to t-shooting my heat pump. )

[@kevinbarker386]

Very good description of ohms values on a single phase compressor. 3 phase is equal.

[@abibodlogistics]

Thanks so much for this wonderful video,it is so detailed and explanatory that even a lay Man can understand it.As a matter of fact you remind me of one of my Professors when I was in school years back,when he teaches you, it is like he opens your head and pour in the course.

[@johnwhite1608]

great explanation made easy to understand

[@PaulGloria-mm2tn]

thank you sir .

[@alfonsobenitez8574]

Good job brother. Well explained.

[@evancornelius9840]

Dude awesome video. Thanks for you help, you make a good teacher.

[@mohamedsh4093]

Amazing explanation brother please continue what you are doing.

[@phatsacz20003]

on point video

[@nickalesroman3108]

Very good video the chart you created made me understand so much better.

[@sharifbyrd1354]

Thank you

[@nikolaosstavrou5327]

thank you sir for the info now I have to replace my compressor!

[@brettbeougher295]

Great simple and understandable...thank you

[@timothyjerry2455]

Great breakdown. Thank you.

[@jcmarentes5046]

Very usefull and simple thanks

[@jeffreykrawczuk4526]

great lesson Thank you

[@juanyepez3168]

Thanks for such great video

[@PJ-ee5mc]

Great info. Thank you. I do have a quick question though: My heat pump's compressor reads as follows (at the unit itself): C+R = 1.0. C+S = 1.2 R+S= ONLY 1.4 when it seems that it should add up to 2.2 based your example. Does this mean I have a potential problem with my compressor?

[@darthruiz8851]

I got the same question

[@marcdorizar5742]

very well explain sir.. thanks a lot.

[@pitagoras1966]

excellent video, nice thank you!

[@FoUoCoKYOUTUBE]

good video

[@babarfarid1495]

What should be running winding resestenc and starting winding resestenc of a ok refrigerator compressor

[@jag317]

Kept very simple. Great job.

[@saltrue1555]

That was very very instructive thank you very much

[@jmc6940]

Have you ever seen high resistance on windings that were just over by a couple ohms? But when you add them up they are correct accross start and run?

[@Ok-ci3lg]

This is best video. Thank you so much

[@abrahamvaro5482]

Super very nice video thanks

[@MrChipBryant]

Thank you Sir for sharing your knowledge!

This is great, thank you. Could you say how to determine if a compressor is THREE PHASE COMPRESSOR or single phase? Using a tester.

[@fritzchirwa1783]

Great vid,thank u

[@user-zi9ww5mt5s]

Great video! what readings will I get if the compressor is lock out (LRA).

[@babarfarid1495]

How much pressure develop a good compressor

[@SergioHernandez-yd7ip]

It’s actually an open run winding. If you measure 0.L across any two points you are testing the winding that is not on your meter leads. Correct??

[@johntomarai7675]

Top one...🖒🖒🖒

[@amystultz1608]

Ok. Let me ask if the meter says lo does that mean I can't use the compressor. By the way your presentation was very professional I just need to know if lo would be a bad report

[@coryschritter5944]

Great vid

[@elohorolokpa]

Please, i need help here. My chest freezer gave me a shock. I tested the compressor and the relay with my multimeter and compressor is in good condition but my relay is bad. Could the bad relay really caused the shock from the freezer? Please, i need urgent response. Thanks

[@dablackmike]

Love this!

[@donmccloud1422]

Very close? Is 34 ohms close enough to 32 ohms for a fridge compressor to be good?

[@sepehrfadaei7564]

My refrigerator (Samsung RS277ACRS/XAA-0000) stopped working after a power outage. The ohm readings on the compressor are: C-S: 0.4 ohm C-R: 3.4 ohm I was wondering if such a low reading on the start winding is normal for this model. The Start Relay (thermistor, DA35-00135A) was not showing continuity (R = 1300 ohms), so I replaced it. The new one couldn't start the compressor either. When I test the new one, it also does not have continuity (R = 4000 ohms). I do no know if I got a bad start relay, or my compressor is bad, and the by pulling too much current burns the start relays. The overload protector has continuity, and seems to be fine.

[@lats840]

Hello sifoo... As found.. C - S = 4.8 ohm C - R = 4.8 ohm R - S = 0.2 ohm Please advise...

[@3niknicholson]

Thanks, useful vid. The way you've drawn the pins C, S and R looks like my fridge compressor layout. Is it a standard convention to have the pins in this configuration?

[@mobilecommunicationsnetwor5268]

Can you explain 240 V ? Is the ground through the chassis? Explain with happen with Start?

[@Broskie-tm5jh]

How about my lennox split ac compressor reading is good but not running even capacitor as well is good.tester show overload

[@alfonsobenitez8574]

The compressor could be cool down with water. What if you ohm it out and the reading show good. You turned on and the compressor overheat again and it shut off due to an thermal overload? Could it be that the high pressure switch could be bad? They are normally closed.

[@BodyByBenSLC]

Dose it have to add up to 5 ohms? If I test it and adds up to 1.2? What then?

[@BulgarianOrphanHelp]

What if I get a different but consistent ohm reading after different power cycles. For example I get 5 Ohms between all 3 measuring poles (S-C, C-R, R-S), power on, power off, read again and get 14.5 Ohms between all 3 measuring poles, power on, power off, and get 56 Ohms between all 3 measuring poles. Is the compressor broken? Should it always read the same resistance or can it vary as long as they always read the same value?

[@baderfrdan447]

Does the decrease in the resistance value between the common terminal and the start terminal imply that the compressor is malfunctioning? Example, the resistance between the common & start is 1 while the resistance between the common & the run is 1.3 (resistance total between run & start is 2.3). Noting that the compressor needs a start capacitor to make it running. Without that start capacitor, the compressor cannot work. So, two questions are here: 1. Do these resistance values indicate an issue with the compressor? 2. Does this need of start capacitor to start the compressor indicate that there is an issue with the compressor? Thanks

[@baderfrdan447]

but the resistance between C and S is lowest in the compressor. what do you think about this ? thanks..

[@jacksonv1ll836]

is it normal that i could get a reading of something about 16ohms when i took the reading on the plug of the refrigerator?

[@MrBullythecat]

Hello, I tested my compressor and all three readings from the pins were almost the same around 8.5 ohms, does that mean my compressor is bad?

[@kefirstories7173]

Молодец! Спасибо!

[@Ashraf-bu6ob]

Hello. My fridge compressor got a reading: 1) 7.5 ohm 2) 17.4 ohm 3) 24.6 ohm Is the compressor is good? Thank you..

[@Sroor2023]

It’s too late but ,Yes it should be 😅

[@kailash4069]

,sir ji Hindi language me bhi bnaiey na videos

[@amayamarley7623]

😢 thanks

[@SergioHernandez-yd7ip]

It’s actually an open run winding. If you measure 0.L across any two points you are testing the winding that is not on your meter leads. Correct??

[@bob_818_pedos_need_to_be_shott]

Thank you sir