Dawlance DC inverter AC E1 error code#229

Babar Electronics HVACR

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Transcript

00:00Aslam o Alaikum

00:02This is sent by brother Waseem

00:04to repair the kittens

00:06This is from Shakargarh

00:08Let's open it

00:10and see how many have been sent

00:12and what is in it

00:14Let's see

00:18These are the kittens

00:20from Shakargarh

00:22One is this

00:24and one is this

00:26These are two kittens

00:28All of them have been sent

00:30I have told everyone

00:32that we have

00:34all the tools

00:36If you want to send only for syrup

00:38then send only for outdoor

00:40kittens

00:42which are faulty

00:48This is it

00:50Let me check it

00:58We have removed the kit

01:00from inside

01:02Let's see why there is an error

01:04First of all

01:06I have seen that

01:08there is a power IC

01:10which has not been removed

01:12and after that

01:14there is a

01:16crystal in it

01:18You can see

01:20it is moving

01:22and the soldering

01:24and the transistor

01:26This is not the only thing

01:28There are other things

01:30which should be done

01:32wherever there is a fault

01:34There is no reason not to do it

01:36There is an SMD

01:38here

01:40There is a coupler

01:42here

01:44You can see

01:46there are one or two things

01:48in it

01:50Sometimes

01:52there is a bank

01:54There are different capacitors

01:56because

01:58the SMPS supply

02:00is not neutral

02:02and here

02:04there is a buck converter

02:06to control it

02:08and if there is no supply

02:10then the neutral supply

02:12is taken from here

02:14It is a two way supply

02:16Communication is two way

02:18Buck converter is very useful

02:20but it is a two way supply

02:22Like in Samsung

02:24communication is two way

02:26Like this

02:28I will show you

02:30This one

02:32You can see the resistance clearly

02:34There is a transistor in it

02:36This

02:38This is NPN transistor

02:40Its base is positive

02:42NPN

02:44This is its emitter

02:46This is its corrector

02:48As you can see

02:50The transistor has this resistance

02:52After this

02:54With this

02:56With capacitor

02:58Here

03:00There can be fault in it

03:02SMD can be damaged

03:04But its main thing

03:06You can see

03:08From DSO

03:10You have to see

03:12When you burn here

03:14Its end point

03:16I am taking it

03:18OK

03:20Its two point

03:22Here

03:24See

03:26From here

03:28Its communication is getting out

03:30You can see

03:32Its communication is getting out

03:34Here

03:36If you check from here

03:38See

03:40From here

03:42You can see

03:44You can see

03:46From here

03:48You can see

03:50In E1 error

03:52You can see

03:54Its communication

03:56Here

03:58This is TX mode

04:00TX

04:02RX

04:04Is for receiving

04:06In TX and RX

04:08Here

04:10You have to send data

04:12In this

04:14And in that

04:16The data send is like this

04:18I will show you

04:20Data send

04:22Like this

04:24Like this

04:26Like this

04:32This is called

04:34Ballery code

04:36In this

04:38See

04:40110001111

04:42110001111

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