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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