#133 DAWLANCE DC Inverter AC P4 error code

Babar Electronics HVACR

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Transcript

00:00Assalam-o-Alaikum, this kit we have is of Dollars, there is an error of P4 in this, why this error

00:23occurs and why it occurs and how it is removed, today we will do its practical.

00:30But let's run it now, let's see how long the error comes and what is the problem in the

00:39error.

00:40But the compressor analyzing we have installed, in this UVW, we will turn on this compressor

00:45directly now.

00:47See, I have turned it on, but there is a little problem in it, which I share with you first

00:55so that you do not have any tension later.

00:58See, the compressor is also installed in it.

01:00See, there is a star reading in it, there is a problem of LED in the display, this is

01:06a star.

01:07See, its motor is on, you can see it, its motor is on.

01:13Now, the problem in this is that we have to reduce their lights a little.

01:18This analyzer, when it comes after a while, it will be visible in the display, so I will

01:24show you at the same time that see this in it.

01:27When it turns on after a while, the problem is that the compressor turns on for a while

01:34and then the error of P4 comes immediately.

01:37Now you have to wait a little.

01:41A little compressor is running and at the same time it shows the error of P4 and the

01:45analyzer lights of this compressor show us exactly 3 lights, 6 of them should be on.

01:53There is a problem in this IPM, we will check it later.

01:59First, let's see how to check this problem.

02:04I did not turn off this camera, so let's see.

02:07Okay, only 3 lights are on and immediately see this, because here I told you earlier

02:14that the LED here is bad, the error of P4 has come.

02:18See this, you saw for a while, only 3 lights were on and it turned off at the same time

02:24because the current went to the high side and the current did not go to the low side.

02:28The logic pulse that we get on the low side did not come.

02:32Now let's check what the problem is.

02:36Now I turn it off with the remote.

02:39See, I have turned it off.

02:41Now we remove it, its switch is removed.

02:44Now it will be discharged after a few moments.

02:50The kit has been discharged.

02:52Now we will separate its entire system and check its cool on the meter.

03:07We have also removed its sensor.

03:10Now we will start checking it.

03:13Let's remove this too.

03:17See, we have now separated it from all things.

03:21Now I will see what is the problem in it, I will check it from the meter.

03:25I will tell you its entire system, how to check it.

03:30This is the diagram of IPM.

03:33I have made a complete video of all pins in it.

03:37It is available on my channel, you can watch it.

03:40But now we will check it.

03:433 number, 4 number, 5 number, 9 number, 13 number, 17 number.

03:48Now we will check that it is fine or there is a problem in it.

03:52Because of which the P4 error is coming.

03:55Why is it coming?

03:57I have converted the meter to Divert mode.

04:01Now I will check here.

04:03See, the ground is positive.

04:07I will put it on this ground.

04:09It is the same ground here.

04:11If I put it here, it is still positive here.

04:13See, you have to do pin number.

04:15We have to check 3 numbers.

04:171, 2, 3.

04:19You have to note the reading of 3.

04:21And the reading of 6 should be in the level.

04:25If our IPM is fine.

04:27We have taken its reading.

04:29We have taken its reading.

04:31Now we have taken its reading beyond this.

04:34After this, we will check pin number 9.

04:38This is the reading of pin number 9.

04:41And after this, this is the reading of pin number 13.

04:44And after this, this is the reading of pin number 17.

04:47It goes from Logic Pulse.

04:49There is a difference in reading.

04:51There is a difference in reading.

04:53If it was right.

04:55Now the problem is that we have to remove the IPM.

04:58We will check it by removing it.

05:00If our IPM is right.

05:02If our IPM is right.

05:04If our IPM is right.

05:06Then its reading will be the same.

05:08If there is a difference in reading here.

05:10Or if there is a problem in reading.

05:12Then our microprocessor has a problem in it.

05:14It is broken.

05:16Then the error of P44 will not go.

05:18If there is no problem in IPM here.

05:20If our IPM is right.

05:22Then our error will be removed.

05:24If our IPM is right.

05:26If our IPM is right.

05:28If our IPM is right.

05:30If our IPM is right.

05:32If our IPM is right.

05:34If our IPM is right.

05:36If our IPM is right.

05:38If our IPM is right.

05:40If our IPM is right.

05:42If our IPM is right.

05:44If our IPM is right.

05:46If our IPM is right.

05:48If our IPM is right.

05:50If our IPM is right.

05:52If our IPM is right.

05:54If our IPM is right.

05:56If our IPM is right.

05:58If our IPM is right.

06:00If our IPM is right.

06:02If our IPM is right.

06:04If our IPM is right.

06:06If our IPM is right.

06:08If our IPM is right.

06:10If our IPM is right.

06:12If our IPM is right.

06:14If our IPM is right.

06:16If our IPM is right.

06:18If our IPM is right.

06:20If our IPM is right.

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Transcript

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