HAIER Dc Inverter Ac E7 Error Code #203

Babar Electronics HVACR

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Transcript

00:00Assalamualaikum, this is a new model of Haier kit, 1 ton kit.

00:07There is no difference in E7 error, 1 or 2 or 1.5.

00:11But there is an E7 error in this kit.

00:13E7 error is usually a communication error.

00:18I have repaired in many kits.

00:20I have shown you that there is an SMPS supply in this kit.

00:24E7 error is usually a communication error.

00:27E7 error is usually a communication error.

00:31You can check my video on how to check E7 error.

00:36There are two main things in E7 error.

00:39E7 error is coming in this kit.

00:41I have not checked this kit before.

00:45This kit has just come for repair.

00:47I am making a video of this kit.

00:49I will show you how to check E7 error in this kit.

00:55First of all, I have completed its communication.

00:58This is the open wire of this kit.

01:03I have connected this positive with positive.

01:06I have connected this with this.

01:13This is for communication.

01:15I have connected this with communication.

01:21This is the display of this kit.

01:23This is the motor of this kit.

01:25There is an AC motor in this kit.

01:27There is no need to connect an AC motor in this kit.

01:32They have sent this kit for repair.

01:34I will repair this kit.

01:36Let's see how to repair this kit.

01:38First of all, I have to switch on this light.

01:46I have switched on this light by using remote.

01:53You can see the set temperature of this light.

01:58This light is not blinking.

02:05Both these lights are on.

02:10This motor is also on.

02:14As you can see, this motor is not blinking.

02:20This means that there is no communication.

02:23Let's switch off this motor.

02:25You have to switch off this motor by using remote.

02:28Try to switch off this motor by using remote.

02:31I have switched off this kit.

02:35Before repairing this kit, you have to discharge this kit.

02:39If you touch this kit, you may get hurt.

02:45I am discharging this kit.

02:47As it is already discharged.

02:50This is discharged.

02:52Before repairing this kit, you have to discharge this kit.

02:57Before repairing this kit, you have to discharge this kit.

03:00You have to discharge this kit.

03:04The bulb is 100W.

03:06The meter may be damaged.

03:08You have to discharge this kit.

03:10You can see this.

03:12The bulb shows zero.

03:15This is the method.

03:17There is no direct connection.

03:19If you connect the bulb directly, the bulb will be damaged.

03:28This is the method.

03:30I will discharge this kit separately.

03:35The wires are connected here.

03:37The wires are connected here.

03:40I have discharged the wires.

03:42I have discharged the wires.

03:43This is the meter.

03:45First of all, you have to check this.

03:48I am putting this in the diode mode.

03:50I am putting this in the diode mode.

03:53You have to check this.

03:56First of all, you have to check this.

03:58I have to check this.

04:04This is fine.

04:05After that, this is damaged.

04:08There is a very low chance of this being damaged.

04:10This is fine.

04:11Now, there are two things.

04:13The worst thing after this is the coupler.

04:16There is a movie about the coupler.

04:17You have to check the coupler.

04:19I will show you the reading of the meter.

04:21I will show you the reading of the meter.

04:24I will put it here.

04:33See this.

04:35See this.

04:37See this.

04:38This is also fine.

04:40Now, there is this one.

04:46This is also fine.

04:47This coupler is also fine.

04:49This is also fine.

04:50After this, we will check this.

04:52This is a transistor.

04:54See, there is a transistor here.

04:56I will bring the transistor here.

04:58I will try to show you from here.

05:00So that you can see it better.

05:02So that you can see it better.

05:05Because you won't be able to see it.

05:07It is small and big.

05:10This is a transistor.

05:11Now, I am going to check this.

05:14The whole movie about the transistor has been made.

05:16It is available on my channel.

05:18You can go and watch it.

05:20See this.

05:24This is the base collector emitter.

05:27This is fine.

05:28This SMD is also fine.

05:29This diode is also fine.

05:31Now, the problem is that I will see from here.

05:35The SMD resistor is connected directly to the microprocessor.

05:43Now, I will check it.

05:45First of all, often there is a fault in it.

05:49So, this happens.

05:50I will put this on the buzzer mode.

05:53See this.

05:54This is connected.

05:56It will come on this.

05:57The meter should give a buzzer here.

05:59It is giving.

06:00Let's cover it from here.

06:02See both from here.

06:05You can see both of them.

06:06The transistor is connected like this.

06:08I have put it on that.

06:09This will be its correct line.

06:11Now, after this, the SMD resistor is connected.

06:16I am going to check this.

06:18See this.

06:19This is connected.

06:20See this.

06:22Show it on the meter here.

06:24Here.

06:25See this.

06:26I will show both of them once again.

06:29See this.

06:30See this.

06:31This SMD is dead.

06:34It is dead.

06:35Okay?

06:36Now, I will show you from here.

06:38See this.

06:39You can see it clearly.

06:40See this.

06:41It is going here.

06:42I will put it on the buzzer mode as well.

06:44So that you can see this.

06:46Okay?

06:47There is no doubt.

06:48Okay?

06:49See this.

06:50Okay?

06:51Because of this, we will change this SMD and see

06:54whether our E7 is clear or not.

06:56There is a fault in this.

07:01See this.

07:02I will remove the SMD.

07:07I have removed this by doing this.

07:09I have removed this.

07:11Now, I will turn on the solder iron.

07:16After turning it on.

07:18I have done this SMD.

07:19Now, I will change this.

07:21Now, I will do its communication.

07:24Sorry.

07:26This is its communication.

07:28If you like our video, then do like it.

07:31Share it with your friends.

07:33And do subscribe to the channel.

07:35See this.

07:36Now, I am going to put it.

07:37Let's put it.

07:38See this.

07:39I have put it straight.

07:40I have put it straight.

07:41Now, I am doing this.

07:42I am turning it on.

07:43See this.

07:44See this.

07:45Here.

07:46See this.

07:47Here.

07:48It has come.

07:49See this.

07:50Okay?

07:51It has started.

07:52See this.

07:53Okay?

07:54This one.

07:55The blink has started.

07:56Its communication has been okay.

07:58Our kit has been fixed.

08:00Now, we don't have any problem.

08:02See this.

08:03The motor has been turned on.

08:04Its communication is being done.

08:05And if any brother wants to learn the work.

08:07Then he can contact us.

08:08We have cleared this 7 carriage.

08:10See this.

08:11How easily.

08:12The purpose is that.

08:13The person should know this.

08:14That which circuit of ours is in which place.

08:17And how is its work.

08:19Or which thing is not working for you.

08:22Or which thing is not working.

08:24So, you can repair the thing at the same time.

08:26We have not cut this video at all.

08:29We have not cut this video at all.

08:30We have not turned off the camera.

08:31Okay?

08:32Only and only.

08:33We have turned off the camera so much.

08:34That the camera.

08:35Only the wire and all.

08:36This is only for this.

08:37Rest, we have worked in front of you.

08:39We have not done any such thing.

08:41Okay?

08:42This is our.

08:43Now, the error has been cleared.

08:46We give good training here.

08:50We teach good work.

08:52If anyone wants to do.

08:53Then come and do.

08:55And improve your job.

08:58See this.

09:00Our compressor is on.

09:02Okay?

09:03See this.

09:13Our compressor is on.

09:15In this.

09:16Okay.

09:17Everything is okay.

09:18Everything is okay.

09:19See this.

09:24Thank you for watching the video.

09:26Goodbye.

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Transcript

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