Babar Electronics HVACR
Babar Electronics HVACR
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Transcript
00:00Assalam-o-Alaikum.
00:02This kit came to us for repairing.
00:06It has an error of E5.
00:08And the problem with this kit is that
00:10they have installed another kit
00:12which has an error of E5.
00:14Earlier they had installed this kit.
00:16It was new and in warranty.
00:18It had an error of E5.
00:20But they got it changed in warranty.
00:22They have installed this kit again.
00:24So, it has been running for a few days.
00:26After a few days, it has given an error of E5.
00:28Now, let's open it and see
00:30what the problem is.
00:32The error of E5 is continuously coming.
00:34This is the problem in the first kit
00:36and this is the problem in this kit.
00:38You can see that
00:40this is a completely new kit.
00:42Now, let's open it and see
00:44what the problem is.
00:46Why is there an error of E5?
00:48On what basis or for what reason
00:50is there an error of E5?
00:52See, there is a screw here.
00:54Let's remove all the screws.
00:56Let's remove all the screws.
01:04This is a completely
01:06new kit.
01:08It has been running for a few days
01:10and after a few days
01:12it has given an error of E5.
01:16But my experience
01:18is that
01:20I will tell you later
01:22why there is an error of E5.
01:24There is an error of E5 in the first kit
01:26and in this kit also.
01:28When the company came
01:30and in the same way
01:32they installed
01:34a new kit and left.
01:36See, this is a completely new kit.
01:38See, this is a completely new kit.
01:40They say that
01:42it has been running for only
01:444 or 6 hours.
01:46See, this is a completely new kit.
01:48After running for 5 or 6 hours
01:50there is an error of E5.
01:52See, this is a completely new kit.
01:54After opening this for the first time
01:56I will check
01:58why there is an error of E5
02:00and what is the problem.
02:04See,
02:06I will tell you
02:08that I often say
02:10that
02:12I often watch videos on YouTube
02:14and they say that
02:16there was a wire.
02:18See, there is a lock here.
02:20See, this camera can show us.
02:22When we will press it like this
02:24See,
02:26when we will press it like this
02:28holding it from above
02:30then it will separate from here
02:32otherwise
02:34it will not separate.
02:36If I pull it like this
02:38then the pin
02:40will break from here
02:42but it will not come out.
02:44This is just to clarify
02:46that there is no such thing
02:48that the pin comes out
02:50or the E5 comes out
02:52or the jack comes out.
02:54There is no such thing.
02:56See, this is also a pin.
02:58I put it on the reactor
03:00and joined it.
03:02Now, when I will give voltage
03:04I will put it in series
03:06so that I can know
03:08what is the problem.
03:14This is its N.
03:16You have to see this.
03:18This does not happen in the kit
03:20that I am doing repair kit
03:22and in any other kit
03:24there is only one series.
03:26See, I have installed it here.
03:28Now, I will see
03:30see the current
03:32that there is a bulb in it.
03:34First of all, I will put it on the 100W bulb.
03:36You can check it.
03:38See, this is 100W bulb.
03:40See, it clicked
03:42and it is going continuously.
03:44It means that if I put it on 200W
03:46See, it is also going.
03:48It means that something is short.
03:50You see, this capacitor
03:52is not getting charged.
03:54I will also check it for you.
03:56See, it is not getting charged.
03:58It is not getting charged.
04:00Now, I will separate the reactor
04:02with it and see
04:04from where it gets short.
04:06To check its short
04:08we have to open
04:10this part.
04:12See, there is a problem
04:14that it will open for the first time.
04:18We will open this screw.
04:20Now, I will see
04:22from where it is short
04:24and from which place it is short.
04:26Because something is definitely short.
04:28Now, let's see it.
04:32I am not in camera off.
04:34This camera is making video on on.
04:36This is complete.
04:38And I am doing everything in front of you.
04:40This thing will not be on the side.
04:42I am not in camera off.
04:44I am doing everything in front of you.
04:46I am doing everything in front of you.
04:48And my brother, please like the video.
04:50You don't have any expense.
04:52I am working hard for you.
04:54You are my support.
04:56I know that this brother liked it.
04:58So many brothers.
05:00See, you can see 200 people, 400 people,
05:02600 people.
05:04But I can't like it.
05:06Nothing happens. I have liked it.
05:08Everyone likes it.
05:10No problem.
05:12And if you are new to our channel,
05:14then subscribe.
05:16And if any brother is interested in learning work,
05:18then he can come and learn from us.
05:20then he can come and learn from us.
05:24If you learn the work yourself,
05:26then obviously you will be able to
05:28save yourself from many problems.
05:30Because if the work comes by itself,
05:32then the person can do much better work.
05:34then the person can do much better work.
05:36OK.
05:40I have put it here.
05:44Now see that
05:46the voltage in it
05:48is coming here or not.
05:50Or first of all,
05:52you can check it from the meter.
05:54You can check its short.
05:56Is there anything short in it?
05:58I have put it. I will put it on continuity.
06:00First of all, I will check its bridge.
06:02I have to put it on continuity.
06:04It doesn't matter
06:06on which bridge you put it.
06:08I am checking that there is no short.
06:10After this, I will put it.
06:12I have put it on divert mode.
06:14Can you see it?
06:16I have put it here.
06:18I will put it here.
06:20This side is positive and this side is negative.
06:22AC from center.
06:24And from here,
06:26minus and plus.
06:28DC.
06:30I will check here.
06:32Its reading is from here
06:34and from here.
06:36This is our bridge.
06:38Now we will check it from other side.
06:40OK.
06:42We will check it like this.
06:44Then also see this.
06:46OK.
06:48Here and here reading is same.
06:50Now we will check its IGBT.
06:52Because whatever thing is short,
06:54we will check it.
06:56What is the problem in it?
06:58What is the shortage in it?
07:00This is correct.
07:02Now this is short give divert.
07:04I am checking it.
07:06This is also correct.
07:08If I put it like this,
07:10then reading will be like this.
07:12It should be put like this.
07:14This is correct.
07:16Now what happened?
07:18Short give divert is also correct.
07:20OK.
07:22In this, straight from here
07:24to here.
07:26From here to here.
07:28From here to here.
07:30If I will check here,
07:32then see this.
07:34When I will check it from this side,
07:36then see this.
07:38It is out from here.
07:40If we will check supply from here,
07:42then see this.
07:44I will check it from here.
07:46Its IGBT is here.
07:48OK.
07:50If you will say,
07:52I have checked from this side,
07:54then see this.
07:56Because of this,
07:58current is here.
08:00Its cross is here.
08:02Its cross is here.
08:04It is same.
08:06After this,
08:08we have to check its IPM.
08:10Now it is turn of IPM.
08:12I will check it on buzzer first.
08:14See this.
08:16I have to put it here.
08:18See this.
08:20Now it will come here.
08:22This is capacitor charge.
08:24After changing polarity,
08:26I will check it on diver mode.
08:30This is OK.
08:32Now we have to check
08:34its other side.
08:36I have put it on negative.
08:38Now diver will check its other side.
08:40Because it has 6 IGBT.
08:42Which works on one side
08:44and two side.
08:46I have checked it.
08:48Now I will check its low side.
08:54See this.
08:58I will check it on diver mode.
09:02Its low side.
09:06Its low side is also OK.
09:10Low side is also OK.
09:12Now the problem is,
09:14I have to check its IC.
09:16There is no problem in this.
09:18It is Kochi short.
09:20Let's find its short.
09:22I will put it on buzzer mode.
09:26See this.
09:32There is no problem in this.
09:34Now I am checking
09:36its 15V diver.
09:38I have checked it before also.
09:40It is OK.
09:42Now I will check this diver.
09:44Buzzer will come and go.
09:46Now everything is checked.
09:48Now I will check
09:50its other side.
09:54Now its other side.
10:02See this is short.
10:08Now I will check its microprocessor.
10:12Its microprocessor is short.
10:14Its microprocessor is short.
10:18We have checked everything.
10:22Now its microprocessor is not working.
10:26Because of short circuit,
10:28there is a voltage break here.
10:32If I connect a transformer here,
10:34it will short the circuit.
10:38Now its high side is also OK.
10:40Its low side is also OK.
10:42But its microprocessor is not working.
10:44Because of this problem,
10:46its microprocessor is not working.
10:48Therefore,
10:50this kit is not able to be repaired.
10:52I have tried to show you.
10:54I have opened the kit in front of you.
10:56I have given you a complete view
10:58without camera.
11:00With this,
11:02Khuda Hafiz.

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