#162 What Is GREE DC INVERTER AC ERROR CODE HC #acerrorcode

Babar Electronics HVACR

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Transcript

00:00Assalam-o-Alaikum

00:02This is the error of Hc of GRI

00:04This is the kit for repairing

00:06Let's check why Hc error occurs

00:10This error does not occur immediately

00:12You will turn on the kit

00:14When the compressor is to be turned on

00:16This Hc error occurs

00:20First of all, to check the error of Hc

00:24Check the main thing of the kit

00:26That its communication is going on

00:28The main fault was to be repaired

00:32This is the error of E6

00:34This is the error of E6

00:36We have cleared the error of E6

00:38Now the error of Hc occurs

00:42When the error of Hc occurs

00:44We have to check one or two things

00:46I will show you

00:48After turning off the kit

00:50This kit should be collected or alone

00:52Let's check the cold of the kit

00:54We will show you by measuring

00:56What are those things

00:58We took off the kit

01:00After disconnecting the kit

01:02The first thing you have to do

01:04The compressor

01:06These are charged

01:08It is dangerous

01:10It is dangerous

01:12Whenever you work on the kit

01:14You have to do it

01:16Whenever you work on the kit

01:18First of all, you have to

01:20See this, it is discharged

01:22Now

01:24First of all, we will give separate current to it.

01:28See, I am giving separate current to it.

01:30The purpose of giving separate current to it is,

01:32that you can remove its sensor,

01:36this is its fuse, remove this too.

01:38And this is its compressor.

01:40I have removed this too.

01:42Now, everything will be clear.

01:47First of all, check its PFC problem.

01:50First of all, we will give voltage to it.

01:52Because, this reactor is installed inside it.

01:56It won't be installed from outside.

01:58Now, we will give voltage to it.

02:00See, I am giving voltage to it at L.

02:02And I am giving voltage to it at N.

02:04Whenever you want to check the circuit,

02:06you have to check it on series lamp.

02:08You don't have to direct it.

02:10I have installed a 200W bulb on series.

02:14Now, we will check it.

02:16First of all, I will check its cool.

02:18I will check it with meter.

02:20See, if there is any problem.

02:22First of all, I will put the meter on buzzer.

02:24I will put it later.

02:26First of all, we will check its reactor.

02:30See, there are two types of windings in it.

02:32One is the arm reactor.

02:36See, the arm reactor is like this.

02:40There is only one winding in it.

02:42It winds like this.

02:44The other one comes out from here.

02:46If I want to check this,

02:48See, the movie is made.

02:50It is checked with LCR meter.

02:52See, it is fine.

02:54They have installed a system in it.

02:56If there is more load on it.

02:58There is a thick wire in it.

03:00And there is a brake wire in it.

03:02Its function is that,

03:04if there is more load in it,

03:06then it will give protection and close it.

03:08Or to turn on PFC etc.

03:10See, here is double.

03:12I have made a movie of it.

03:14You can see it with full detail.

03:16First of all, I will check

03:18whether our beam comes here or not.

03:20Because of this,

03:22PFC error occurs in it.

03:26Let's check it from here.

03:28From here.

03:32See, this is its brake winding.

03:34It is fine.

03:36Sometimes it gets disconnected.

03:38Because of this,

03:40our HC error starts to occur.

03:42This is fine.

03:44Now, we will check

03:46its IGBT.

03:48We can check its short diode

03:50and IGBT.

03:52We can check its fault.

03:54We can check it in diode mode.

03:56You can see,

03:58I have made a movie of everything.

04:00You can see it with full detail.

04:02You can check it with full detail.

04:04This is fine.

04:06This is also fine.

04:08After this, we check this.

04:10This is also fine.

04:12This is also fine.

04:14This is also fine.

04:16This is also fine.

04:18Now, our reactor is also fine.

04:20You can check this also.

04:22I will put it here.

04:24Our reactor is also fine.

04:26We have checked both the coils.

04:28Everything is fine.

04:30Now, we are left with this capacitor.

04:32This big one.

04:34It is better to check it

04:36after removing it from capacitor testing.

04:38Otherwise, we estimate it here.

04:42This long beep is coming

04:44because capacitor is big.

04:46It will stop beeping when

04:48the capacitor is fully charged.

04:50Now, it will not beep.

04:52If we do like this,

04:54it will give a small beep.

04:56This is our capacitor.

04:58It is fine.

05:00Now, the problem of PFC is

05:02that it is not producing PFC.

05:04That is why it is producing HC error.

05:06Now, we will check the rest

05:08with full detail.

05:10Now, we will check

05:12the voltage of

05:145V and

05:1612V.

05:18We will check

05:20the voltage of

05:225V and 12V.

05:24After checking this,

05:26we will know whether

05:28our station is fine or not.

05:30To check this,

05:32we will put it on series.

05:34This wire

05:36will be connected

05:38here.

05:40As I told you earlier,

05:42one will be connected here.

05:44Now, I will give the voltage.

05:46Now, we can check all the

05:48high and low voltages here.

05:50To check whether it is fine or not,

05:52the easiest way to check it is

05:54to put it on meter.

05:56This is our 5V and 3S.

05:583V are connected to the microprocessor.

06:00We will put the meter on 20V.

06:02After putting it,

06:04I will check here.

06:063.3V.

06:08Now, it is fine.

06:10Now, we will check the

06:12PFC.

06:14It is connected here.

06:16Is it binding or not?

06:18It is binding.

06:20Now, it is 5V.

06:22Now, we will check

06:24the voltage.

06:26It is 15V.

06:28Now, it is 12V.

06:30Our station is fine.

06:32Now, we will check

06:34the voltage here.

06:36Here, it is 57-58V.

06:40Now, the voltage is here.

06:42It must be here.

06:46I said 57-58V.

06:48Now, it is 57.6V.

06:52It is 0.6V.

06:54It means that

06:56everything is fine.

06:58Now, we will check

07:00the voltage here.

07:02See, here also

07:04the voltage is fine.

07:06Because it is in series.

07:08Now,

07:10we have to see

07:12I will mention the error here

07:14so that you can remember

07:16on whom we are working.

07:18If you have

07:20checked all other things,

07:22similarly, when you have to check it again,

07:24we have to discharge it.

07:28You have to see

07:30why it is like this.

07:32I will check the other things.

07:34Now, it happens that

07:36when this error occurs,

07:38even if it does not occur

07:40because of BFC,

07:42and it is

07:44Now, we have checked

07:46the other things.

07:48Now, the problem is that

07:50when error occurs,

07:52we have to check the other things.

07:54Actually, when this error occurs,

07:56its main purpose is

07:58less or more.

08:00But when it is more,

08:02it is suitable in AC.

08:04But when it occurs, it is less

08:06that PFC does not occur in it.

08:08In this, the microprocessor

08:10is installed.

08:12In this, there is a PSFC

08:14voltage protection.

08:16In this, there is a mirror.

08:18Let's say there is a wire connection.

08:20In that, when

08:22PFC is cut for some reason

08:24SMD is damaged

08:26and it can be damaged from inside.

08:28In this, the voltage is coming from here.

08:30But in this, it is understood that

08:32we do not get the voltage

08:34because it is disconnected.

08:36Now, we check the rest of the circuits.

08:38Whatever we have to check,

08:40we will not know in the screen

08:42or in the camera.

08:44I will check and tell you

08:46that you will not see anything.

08:48We can't clear everything here.

08:50See here,

08:52we see all these things.

08:54What is in it?

08:56Yes, yes, yes.

08:58See here, a lot of effort has been made

09:00to repair the kit.

09:02In this, PFC

09:04is coming from this.

09:06You should notice.

09:08See here, all things

09:10are disconnected

09:12to repair.

09:14It is all disconnected.

09:16See here, all things are finished.

09:18See here,

09:20all things are disconnected.

09:22See here, from all places.

09:24It has happened that

09:26these pins are of inode.

09:28See here,

09:30a lot of effort has been made

09:32to repair it.

09:34See here,

09:36see here,

09:38they have also put a jumper.

09:40See here,

09:42see here,

09:44see here,

09:46a lot of effort has been made to repair it.

09:48See here,

09:50see here, the bridge has also been changed.

09:52See here,

09:54a lot of effort has been made

09:56to repair it.

09:58See here,

10:00a lot of effort has been made.

10:02They have completely filled the kit.

10:04See here,

10:06a lot of damage has been done.

10:08If we repair

10:10such a kit,

10:12it is very difficult.

10:14But it will not work

10:16because it is so damaged.

10:18What should we repair it?

10:20See here,

10:22you can see it.

10:24See here,

10:26from here also.

10:28See here,

10:30the kit is very damaged.

10:34It cannot be repaired.

10:36There is no use of repairing it.

10:38Such a kit should not be repaired.

10:40See here,

10:42it is completely damaged.

10:44See here,

10:46you must have understood

10:48why there is an error.

10:50The reason is

10:52that the

10:54microprocessor does not know

10:56that

10:58the

11:00microprocessor does not know

11:02that the voltage

11:04from here is getting or not.

11:06That is why there is an error.

11:08It cannot be repaired

11:10because there is a lot of damage

11:12and a lot of repair has been done.

11:14There is no use of repairing it.

11:16The whole kit is damaged.

11:18It cannot be repaired.

11:20Thank you for watching the video.

11:22And

11:24if you like the video,

11:26please like it.

11:30Goodbye to all.

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