The air conditioner has broken so I tried to repair Daikin report

The air conditioner of Daikin used in the bedroom does not move around 23 o'clock on Saturday, June 23, and as the driving lamp repeatedly blinks on Ayashige, it is panicking.

The air conditioner where this stopped moving


The operation lamp flashes, dehumidification and cooling are stopped everything, everything stops rising 30 degrees


It flashes like this.

Daikin's air conditioning breakdown, driving lamp blinking - YouTube


When I pulled out the instructions and read it, "When the driving lamp flashes, please disconnect the power plug or turn off the circuit breaker, please turn on the power again after 1 minute, please operate." According to the instructions, once you unplug the power outlet and wait for 1 minute, it started to work again but it stops even if you do it again for about an hour. I went through the same work again the second time around 24:00 on midnight. Even after more than an hour passed, I continued to move and returned to the original, so it was luck that I thought "what was fixed?" I should have asked for repair here if I think about it now.

The second breakdown is 9 AM on July 1 (Sunday) after one week. From there again after that, "Once you have unplugged the power outlet and wait for 1 minute", it will be quiet for about 1 hour, but it will stop after 1 hour. The more serious thing was around 22 o'clock on Monday, 2nd July, only a "wind" comes out while moving for about an hour, the temperature does not go down at all, it is already overwhelming Rushed into no condition.

And on July 3rd (Tuesday).

15: 41, air conditioning started
16: 47, the lamp is lit and stopped

In such a way it will stop when you move for about an hour, so I will write down the necessary information for the repair request.

First of all check the error code


It seems that if you press the "End / Cancel" button for 5 seconds with the remote control facing the main unit, an error code will be displayed


"U0 abnormality" and things


Looking at the instructions, it is "error code other than the above" at the bottom, so follow the instructions to page 59


It seems that it displays that the management code is displayed, the necessary matter is noted, and Daikin contacts the customer consultation window


That's why I pulled out a warranty card, etc., and note the following items.

1: Item name "Room air conditioner"
2: Model name "AN22LRS-W"
3: Date of purchase: 8th December 2009
4: Error code "U 0 abnormal", management code
5: Telephone number, address, name
6: Installation location of outdoor unit "Rooftop"

The next day, I will call "Daikin Contact Center" on July 3 (Tue) at 17 o'clock. According to the automatic voice guidance, since it is a business trip repair, since "* 1" is pushed, because it is a repair of a room air conditioner, "* 8" leads to a female operator, and when transmitting the above noted information, "U 0 abnormality" is " It is said that I will wait for 1 minute after pulling out the outlet, but I explained that I have been repeating from Saturday, June 23, but is it okay if I get a "business trip inspection"? So that is OK, reply. Apparently there seems to be a possibility that "travel inspecting expenses" will occur. At that time the information asked at the phone number is as follows.

·phone number
·Street address
·name
· Name in Kanji
· Model name "AN22LRS-W"
· Date of purchase: 8th December 2009

As a result of the call, it will be on July 5 (Thursday) to come to check business trips, information on what day of the day the information will be coming to the mobile phone from 9 o'clock to 10 o'clock on that day will be contacted from the personnel on the day of the service center by telephone It is said that it will come. Furthermore, as for the actual repair time, it is possible that it may become 19 o'clock in the evening in the latest case, so decide at this stage at the stage. Turn off the phone and ask for the repair of the air conditioner. I decided to spend time in a room that is hot again.

And finally at 9:30 am on July 5 (Thursday) I will call the mobile phone from Daikin to the cell phone "I will call again before visit, coming between 13 o'clock and 14 o'clock," at the awaited Daikin of 13 o'clock The person in charge visits, the investigation is started.


At that time, I heard that "U0 abnormality" strictly means that "refrigerant gas is leaking", and it means that it was leaking from where. However, even if I looked at outdoor machines, it did not leak, but this time I did not see the air conditioner, but I also checked the pipe joints but nothing.


Check it more and more


Although it sees here and there, it seems that the location can not be specified, and that it leaks from the precision equipment part in the air conditioner main unit. Also, since the air conditioner itself works properly, the electrical system is broken and it does not leak.


When people in Daikin touched and checked, it turned out that the aluminum parts themselves in the air conditioner (part where the filter like fine fins stuck) was not in a normal state, I decided to exchange it whole.


It is impossible to disassemble and repair only here, as this part is all-in-one type by talk. Therefore, it takes one day to procure the parts, so the next call comes in between 9 o'clock and 10 o'clock on Saturday, July 7, at which time you can see the estimated eyecup time of the day. Also, since the air conditioner itself is to be removed, if it is raining, water will enter from the pipe part removed and cause breakdown, so it will be canceled if it is raining. However, as it may be raining at that time on that day, it will come to come at least. In addition, electricity is one year warranty, but since the gas relationship is a 5 year warranty, this repair is free of charge including business trip fee. Although it is understood that it does not cost money at this stage, although the feeling improves slightly, since the cooling function itself has gone, it is still only the wind that comes out even if cooling is turned on. To stay in a hot room with an air conditioner not moving again. Wow.

Moreover, looking closely and moving it with such feeling, things like water are burning


Dallas and water are flowing out from the air conditioner and the wall skimmer, and when we look closely it is a strange trace ... apparently this is a trace of leakage.


And at about 9:15 on Saturday, July 7, the phone said that it will come between 16:00 and 17:00, but unfortunately the time zone is absent at work, so I told you that it will be a problem if it is so late , We decided to come again next Sunday morning. Before that, as a first-aid measure, I came around 12 o'clock and will supply refrigerant gas. According to the story, two parts, "weak pressure" and "strong pressure" are common causes of failure, and this time it is "weak pressure", so there are only a small amount of leakage, and moving refrigerant gas in the meantime , And that.

So I asked you to come around 13:30, so that the refrigerant gas was completely replenished to the outdoor unit in about 10 minutes so that the air conditioner would move.


Under pressure investigation


Although this time it is comparatively new air conditioner, parts can also be present and repaired, but in some cases it can not be repaired in the case of old air conditioners, in that case there are cases that this refrigerant gas is regularly supplemented and used as a deception , And that. While listening to the story, "I thought it would have been better to replenish the refrigerant gas at the time of the previous survey if I thought well," while a phone call came around 9 am - 10 am tomorrow morning, Confirm that parts will be exchanged in the middle, this day is over.

And finally on July 8th (Sun), we decided to change all the air conditioners and exchange the main part.

First of all, it spreads like this so as not to contaminate the bed


Pressure check again while driving the air conditioner


Start removal


Turn around and turn around with a screwdriver


It got removed steadily and it seemed like a bare face.


The part where the water which was before this was scattered is like this, obviously out


That's why its appearance changes steadily steadily


We will proceed at a tremendous speed while working well in a handy way


Removal complete


After being removed it is like this


Take it to the outside and go for parts replacement


This is the part of the cross fin heat exchanger, dust full when you look closely


I do not feel like rusting somehow


Looking at it again, there is also a foundation that looks like a motherboard in this way, and realized that air conditioner is a high-tech product again


Removed filter part


I will remove the part that keeps getting closer and closer to the rattle


What is it supposed to be like this ...?


I will remove more and more, more and more screws will increase


Thoroughly


Also remove parts that are sticking to the side


Ugly! It is too dirty.


I mean, this is ...


Parts removed together


That's why after completely falling apart, take out new parts from the box and start assembling work


It will add a cross fin heat exchanger and removed parts to a new bottom frame assembly


Somehow, I feel like I'm making air conditioners in front of my eyes


A brand-new cross-fin heat exchanger, it seems that a patent by Daikin is used for this part


I will steadily attach and return to the original


The rear part of the car who came to work is like this, and some kind of equipment and equipment necessary for air conditioner repair


We assembled while saying and moved to the room


Somehow a new ticky atmosphere.


attachment


Since it is feeling to reinstall it from scratch again, the pipe connecting the air conditioner and the outdoor unit is redone


Using a vacuum pump "EvacuateBy doing it, I did the work of skipping water in the pipe properly.


Because it takes a little time to do this "evacuation", in the past too many cases to skip if it is a dealer who wants to process as many cases as possible, the probability of failure will be orders of magnitude if you skip this evacuation As it will rise or moisture will remain in the pipe and it will cause a malfunction, if air conditioning repair at the level to remove from the pipe like this time or air conditioner new installation is to be done properly as "vacuum evacuation" is done Let's tell in advance.


I feel like connecting the outdoor unit with this feeling and drawing the air with a vacuum pump


This time this kind of electric type pump


It took approximately 10 minutes to complete, and during this time we also did air conditioner installation work


The way it actually moves is as follows. Fine enough, it is explosive.

Vacuuming air conditioner working - YouTube


Finally repair completed, operation checking in progress. A cold wind came out after a long absence.


Finally sign the work completion certificate, it is over. The repair fee is zero yen.


And one week has passed since then, it seems that I was able to fix it properly while running smoothly now. Happy ending.

After all, not only electric appliances but also such items are "someday to be broken", so considering not only the performance and functions of the products themselves but also the low price, but also the maintenance parts of such after-sales, Comprehensively I realized that I can lead to the trust that "if you can afford it for products of that company, you can purchase with confidence".