335 DC Inverter AC Outdoor Unit Circuit Board Course Repair / Function / Troubleshooting - Part 1

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Haseeb Electronics

Haseeb Electronics

Күн бұрын

Watch this video in Urdu / Hindi • 153 DC Inverter AC Out...
in this video DC Inverter AC Outdoor Unit Circuit Board Course Repair / Function / Troubleshooting - Part 1. in this part i discussed the components in EMI Electromagnetic Induction / RFI Radio frequency interference. it contains fuse for current protection, first stage filter for high frequency harmonics, mov metal oxide varistor for high voltage protection, surge arrester for lightening arrester. then we have PTC for positive temperature co-efficient to protect over current surges. then there is a a bypass relay to operate the circuit in normal mode. in any conditions the microcontroller turns off the bypass relay and the circuit load is transferred to PTC for more protection
Watch Part 2 of this video • 338 DC Inverter AC Ou...
Download Inverter Ac Outdoor unit Service manual /circuit Diagram /Schematic
drive.google.c...

Пікірлер: 211
@jamest7634
@jamest7634 Жыл бұрын
Hi, dear friend. Normally I don't write any comments but now I had to do an exception, as I'm blown away by your knowledges, your explanation skills, your effort to share it and also your english. Almost none of these informations you shared in this video (and I'm pretty sure in the others too) weren't provided during 6 years of study at our schools, although I expected they would. So I'm learning during the years as I go thru repairs but YOU... gave to me so much! I can't thanks enough to you - but thanks anyway and wish all the best to you and to yours dearest ones.
@up2youman271
@up2youman271 Жыл бұрын
im on ship, this videos you share...u improve me a lot...i download almost all your videos and watching every day...just thank you..
@HaseebElectronics
@HaseebElectronics Жыл бұрын
wow that is really a great pleasure for me wish you happiest and healthiest life stay blessed
@hvacshinobi8047
@hvacshinobi8047 Жыл бұрын
Great video I will be watching it 50 times so I will be a board level HVAC tech thanks
@letsmakeexperiments2293
@letsmakeexperiments2293 3 жыл бұрын
सर आप बहोत अच्छा काम कर रहे हो ..आपके व्हिडिओज बहोत information देथे हैं . अँड समजणे के लिये भी बहोत आसान हैं.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot best wishes aap mera doosra channel (haseeb electronics urdu) bhi dekh lena
@adrianblake9082
@adrianblake9082 Жыл бұрын
Great job sir
@sonnisonni7727
@sonnisonni7727 3 жыл бұрын
بہت خوب بھائی اللہ برکت دے
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Jazaak Allah khair
@kmhovlog6185
@kmhovlog6185 3 жыл бұрын
Like wow that's awesome excellent video ac repair big thumbs up thanks for sharing stay blessed with good health and great happiness/safety take care have a nice day
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@dnyaneshkadam4499
@dnyaneshkadam4499 3 жыл бұрын
Highly Respected Sir, First time from last three days I am watching your smps repairs and inverter videos and the same are very interesting because of you are explaining very sliently, with diagram and I am getting very informative knowledge. I am from India. Thanking you Sir, Yours.. N.D.Kadam.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Thanks and welcome
@michaelbalgos3749
@michaelbalgos3749 Жыл бұрын
Thx for sharing ur knowledge. God bless you and ur family.Next time, KFR-35W/BP3N1 board for Media AC.
@BJcanal270
@BJcanal270 3 ай бұрын
All this content is very interesting for me. Shukriya Maestro
@asmirhodzic2925
@asmirhodzic2925 3 жыл бұрын
Selam alejkum ve rahmetullahi ve berekatuhu bra,allah give you all, i am grom Bosnia and Hercegovina ,europa
@KBTechbd
@KBTechbd 3 жыл бұрын
Beautiful sharing 👌
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Thank you so much 😊
@eletronicbrazil
@eletronicbrazil Жыл бұрын
I like to see you working... You are a great professional
@HaseebElectronics
@HaseebElectronics Жыл бұрын
Thank you so much 😀
@sukumarnatarajan6707
@sukumarnatarajan6707 2 жыл бұрын
Excellent teaching sir,thank u sir
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
You are most welcome
@manjitkumar6510
@manjitkumar6510 2 жыл бұрын
Unmatched explanation on utube. Thanks for the pain you have taken. Keep up the good work.
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
best regards it is my pleasure
@vijayanathanstephen9308
@vijayanathanstephen9308 2 жыл бұрын
Very well explained ! Bhadiyah !
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
thanks bhai
@behiabdi861
@behiabdi861 3 жыл бұрын
excellent and amusing
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
it is my pleasure
@kaupstudio-supportid5956
@kaupstudio-supportid5956 3 жыл бұрын
These are very difficult to understand but the way you explain is brilliant, a big thumbs up from my side, Imran from KAUP STUDIO
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks dear brother
@manilapunjabikitchen8154
@manilapunjabikitchen8154 3 жыл бұрын
Great sharing
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Thank you so much dear sister
@IndianFlavor
@IndianFlavor 3 жыл бұрын
Like 103 So helpful info brother 👌🏻👌🏻👌🏻👌🏻👌🏻
@memylastname9972
@memylastname9972 3 жыл бұрын
These are wonderful tutorials, you take your time to explain everything fully. Thank you very much.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
You're very welcome!
@masteransell1253
@masteransell1253 3 жыл бұрын
Well explained...Thank you so much for the info..I am an Electrician but I want and needed to learn power electronics specially the control circuitry of the electronics..
@BajisKitchen
@BajisKitchen 3 жыл бұрын
Mashallah very nice sharing 👍
@rolanddejesus8685
@rolanddejesus8685 Жыл бұрын
thank you very much sir for sharing,God bless.
@temyraverdana6421
@temyraverdana6421 3 жыл бұрын
Thanks, I like this video, very useful reverse engineering video. I am trying to repair a inverter welder follow your teaching, but I''m find a lot of difficult. See you
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. wish you best of luck
@CliveTrezona
@CliveTrezona 3 жыл бұрын
Thanks Haseeb.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
best regards
@wayansuardana825
@wayansuardana825 2 жыл бұрын
One of the best tutorial fresent... from other. Thanks..
@ilkertokgoz2465
@ilkertokgoz2465 Жыл бұрын
Wa Alaikum es Salam. My teacher this explanation was the best that I could find in the universe. I havent any knowledge about electronics but still I could understand the story of the PCB. Thank you very much. God bless you.
@vijayakumarkumar9190
@vijayakumarkumar9190 3 жыл бұрын
Very useful information Sir Thanks for sharing this knowledge
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
you are welcome dear
@dnyaneshkadam4499
@dnyaneshkadam4499 3 жыл бұрын
Sir, my name is N.D.Kadam from India. I have just completed the course of lcd led tv repairing. Sir, I request you sir kindly make video on two topics i.e.(1) What the first time general setting of dso with its all buttons and (2) what setting or change to be made at the time of Bios checking, clock checking,crystal checking and lvds signals checking.Thanking you Sir.Yours--N.D.Kadam.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
welcome dear. i will share it soon
@kanulb6881
@kanulb6881 3 жыл бұрын
Genius haseeb sir, this video you made two time really excellent, and waiting for second part eagerly. Kudos to your vast experience.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards i will share other parts very soon
@sathibabu.m7433
@sathibabu.m7433 3 жыл бұрын
Thanks for sharing your knowledge to us, your explanation is so good
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@alibabacookingstyle495
@alibabacookingstyle495 3 жыл бұрын
Ma sha allah Nice sharing Good information Keep it up Good luck Sr g 🇮🇹
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Thanks and welcome
@elavarasanputhinan772
@elavarasanputhinan772 3 жыл бұрын
🙇🙏🙏🙏🙏your explanations is very great and I thankfull to you sir... i pray for Always u lead happy in you life with family...
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
best regards and special thanks
@BabaPigeonHouse
@BabaPigeonHouse 3 жыл бұрын
Nice sharing stay blessed
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
best regards
@carolinediyandvlog
@carolinediyandvlog 3 жыл бұрын
Good information
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
best regards and special thanks
@selvakannanselva
@selvakannanselva 3 жыл бұрын
Your very great masters lot of thanks ❤️ keep doing post videos inverter fridge
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
yes dear i am trying to share soon
@selvakannanselva
@selvakannanselva 3 жыл бұрын
@@HaseebElectronics thank you sir
@muhammadishtiaq24
@muhammadishtiaq24 3 жыл бұрын
Excellent information thank for sharing
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot
@sadiasyed9918
@sadiasyed9918 3 жыл бұрын
Wow super big like stay connected🌹🏵🏵🌷full watch 🌹🏵💮
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@Mubeenarecipesandvlogs
@Mubeenarecipesandvlogs 3 жыл бұрын
Lk 11 Assalamualaikum bhai ❤️ Very useful video 👍😇
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@Kotzo79
@Kotzo79 3 жыл бұрын
Thanks from Romania sir !!! God bless you!
@hvacshinobi8047
@hvacshinobi8047 Жыл бұрын
Thanks!
@HaseebElectronics
@HaseebElectronics Жыл бұрын
special thanks for your support.
@susantaatha6468
@susantaatha6468 3 жыл бұрын
Your great. Thank you sir.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
You are welcome
@firataydin9976
@firataydin9976 Жыл бұрын
Service to public is service to Allah Allah bless you sir
@FancyBangles
@FancyBangles 3 жыл бұрын
MashAllah bhai
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@khairulizwanjaafar438
@khairulizwanjaafar438 Жыл бұрын
24 Mac 2023. 1st day i learn. Thank you for sharing good knowledge.
@wayansuardana825
@wayansuardana825 2 жыл бұрын
thanks for very expensive knowladge....
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
best regards
@abdelilahelazhari1820
@abdelilahelazhari1820 3 жыл бұрын
Excellent job Thank you so much sir.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
best regards
@gunulifestyleandCooking
@gunulifestyleandCooking 3 жыл бұрын
Like 121 So helpful tutorial 👍👍👍👍👍👍👍 NYC sharing brother
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Many many thanks
@181richo
@181richo 2 жыл бұрын
Very helpful, thankyou for your effort
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
You are welcome!
@prangki
@prangki 3 жыл бұрын
وَعَلَيْكُمْ السَّلاَمُ وَرَحْمَةُ اللهِ وَبَرَكَاتُهُ 🙏🙏👍🏼👍🏼
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Jazaak Allah khair
@FoodFunAndEnt
@FoodFunAndEnt 3 жыл бұрын
Like 6 sir hasseb
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
special thanks and best wishes
@FoodFunAndEnt
@FoodFunAndEnt 3 жыл бұрын
@@HaseebElectronics thanks sir insta per follow kren bat kreni hai
@giorgostexnikos6976
@giorgostexnikos6976 3 жыл бұрын
amazing analysis
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot.
@NWEL-Executive-ElectricalMdBas
@NWEL-Executive-ElectricalMdBas 3 жыл бұрын
Very good, boss please make a video for VFD (SIEMENS or AAB)
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards i will try to share a series very soon
@wesameed824
@wesameed824 3 жыл бұрын
Thank u sir We are waiting the next parts
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best wishes
@lijukthomas1654
@lijukthomas1654 2 жыл бұрын
Thank you sir and A BIG SALUTE FOR YOUR GRATE EFFORT.
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
You are most welcome
@goutammukerjee6229
@goutammukerjee6229 Жыл бұрын
Namaskar Sir, First I want to thank You for your excellent technical support with elaborate explanation, Sir I have a problem with my Fluke 177 digital multimeter, that is now dead condition, it was shown to meter repairing shop but they can't able to repair the meter, I need to send my multimeter to You, but how it will done ,can you guide me about sending the instrument, please try to arrange
@hamzouz1229
@hamzouz1229 Жыл бұрын
Baraka Allah fik brother Haseeb. I just want to know what is the voltage of UVW when supplying the outdoor board with power without connecting the indoor board. Thank you
@nicholusedwards4328
@nicholusedwards4328 3 жыл бұрын
Thank you for such a great piece of information ? I have a split A C unit there is no display on the indoor unit,,, I check the fuse on it good wat else can I check..
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
it seems there is a low voltage power supply (smps) have some problem if line voltage are present, in that case the circuit must display something and the microcontroller have to initialize and start display
@MdIsmail-ci5uy
@MdIsmail-ci5uy Жыл бұрын
Jajakallah khair ❤❤❤❤ sir
@muhammadshafi227
@muhammadshafi227 3 жыл бұрын
nice explanation.....
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@DIYwithBatteries
@DIYwithBatteries 3 жыл бұрын
Im trying to cmmnt fast to get first Haha.. 😄👍
@zakiausa
@zakiausa 3 жыл бұрын
i am watching full video my brother how are you you go and check your computer
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot dear sister
@AjowaDansowa
@AjowaDansowa 6 ай бұрын
Thanks for a good job. Please i have an inverter AC (Comfee-12K Inverter) the indoor works, the outdoor unit fan blows alright but the compressor will not come on. I hear a faint weinnnn sound in the compressor. please where might the fault come from?
@sunitaskitchen1627
@sunitaskitchen1627 3 жыл бұрын
53 great upload 🙏
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot
@minifarmerextra
@minifarmerextra 3 жыл бұрын
Sir you are university for us thanks for the knowledge
@ummoibrahimhassan4616
@ummoibrahimhassan4616 3 жыл бұрын
WA alikum Salam
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Jazaak Allah khair
@lombardjohann4733
@lombardjohann4733 2 ай бұрын
Hi hasseb, thank you for sharing your knowledge, maybe you do have exsperience with Daikin inverter Air Conditioner system, Unfortunately couple years ago i bought used Daikin AC with two different Systems the guy who sell the equipment didn't mentioned that the internal unit was running on Daikin multi split system and external unit was for single unit ,now i have two totally different Systems, the main issues will be to connect electronic exspansions valve on this system, i was thinking to buy on aliexpress universal ac inverter driver unit but my Daikin compressor is to strong for thier driver electronic ,do you have any idea to resolve my problem?
@PT-hh2lb
@PT-hh2lb 3 жыл бұрын
Amazing, the solder iron, tin and tin sucker, are all in one, where did you buy it?
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. i purchase these from Farnell, Ebay, Amazon and other online vendors after price comparison
@zafariqbal7570
@zafariqbal7570 3 жыл бұрын
Salam very simple yet great explaination.can you share where to get schematics of various tv,laptop and power supplies?
@milanstanojevic6440
@milanstanojevic6440 2 жыл бұрын
Thank you for the explaining.
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
You are welcome!
@alaelaf8629
@alaelaf8629 3 жыл бұрын
Thank you so much my god bless you 🙏
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Jazaak Allah khair
@dananjayagunatunga5375
@dananjayagunatunga5375 Жыл бұрын
Thank you so much sir.
@dananjayagunatunga5375
@dananjayagunatunga5375 Жыл бұрын
I am from sri lanka
@abdul-rahmansabry3802
@abdul-rahmansabry3802 3 жыл бұрын
Thank for sharing knowledg Can you explain how pfc works in inverters
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. sure pfc circuit will explained in upcoming parts of this series kindly check video number 221, 307 that are also for PFC
@Technik44
@Technik44 3 ай бұрын
thank for your sharing
@hvacinstalacije1985
@hvacinstalacije1985 Жыл бұрын
HI, Can you do same for single stage ON/OF sistems ?
@ranjit8323
@ranjit8323 3 жыл бұрын
sir what is work of first capacitor why that first capacitor not passing the ac current??? please explain me sir🙏🙏
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
first capacitor works in conjunction with first dual line inductor and it makes a cut-off frequency to make a low pass filter. and it stops all high frequency noises to entering in the board
@farid1597
@farid1597 2 жыл бұрын
Hello Sir. It seems the ground wire play a significant role in discharging overload current. We usually don't have earth connection in our home. Is it a the major reason for our AC split compressor failure?
@karthikregu6952
@karthikregu6952 Жыл бұрын
can use this circuit to run 1.5 hp 3 phase as variable speed controller?
@actechtelugu3063
@actechtelugu3063 2 жыл бұрын
It's wonderful Sir
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
Many many thanks
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
a new complete course is coming very soon
@kaptinmajed3381
@kaptinmajed3381 4 ай бұрын
1:29 ثلاثة مكثفات متوازية
@ARK-Iot-Engineer
@ARK-Iot-Engineer 9 ай бұрын
Sir please make a video on multi type of supply of multiple type of PCBs. In every pcb not even used SMPS supply.
@behiabdi861
@behiabdi861 2 жыл бұрын
grateful
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
best regards
@nidhinm.m3092
@nidhinm.m3092 2 жыл бұрын
👋 sir, Your inverter ac repairing videos are very interesting and useful. Sir can u tell me from where we can download the schematic diagram of indoor and outdoor unit? I have outdoor unit board of haier with complaint in compressor and outdoor unit fan . Both are not working. Error code for E7. Indoor and outdoor communication is fine .pls tell me a solution
@marcelinocruz4593
@marcelinocruz4593 2 жыл бұрын
Sir, I really appreciate your informative teachings thank you so much for that, one clarification I didn't see or I might have missed it the coil of K1 and K2 and how they are activated to bypass The two Ptc.
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
best regard and specially thanks for your valuable comment K1 & K2 relays bypass the PTCs when the voltage at dc rail reach at a specific level, at that time the relays are driven by the microprocessor
@Abdullah-hc1cz
@Abdullah-hc1cz Жыл бұрын
please sir tell us,what is IGBT?? how it work? and what for?
@mohamedkeita1509
@mohamedkeita1509 3 жыл бұрын
%ASSALAMOU ALEYCOUM TA ALLAH WA BARAKATOUHOU% Maître encore merci, pensez à nous les francophones merci pour la compréhension
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
thanks a lot. best regards
@jeboy3480
@jeboy3480 3 жыл бұрын
Hi what is the name and model of your soldering gun with vacuum.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
Welcome dear It is WELLER WR3M ESD safe rework station
@johnmalepa6628
@johnmalepa6628 3 жыл бұрын
HI i wonder if you can help me , my whirlpool SPIW412L inverter the compreessor starts but stop after it makes a vibration noise and stop . cooling fan is ok any ideas please. rgds j.m.m.
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
does it display some error code on indoor unit? it will make a pinpoint location of fault area normally it seems the failure of PFC, IPM, or compressor please send in reply the error code?
@johnmalepa6628
@johnmalepa6628 3 жыл бұрын
thank you for your reply but there is no error code display showing on the indoor unit on the out door unit LED 2 is flashing on the pcb
@FusionVolt
@FusionVolt 2 жыл бұрын
Why power factor correction is required in power supplies
@Mirfazelzade
@Mirfazelzade 2 жыл бұрын
❤️❤️❤️
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
best regards and special thanks
@silambuarasan8268
@silambuarasan8268 Жыл бұрын
Brother do you conduct any electronics course
@HaseebElectronics
@HaseebElectronics Жыл бұрын
no dear i don't run any course
@ravanlanka
@ravanlanka Ай бұрын
Dear, how to repair my Midea 12000 BTU inverter AC for PO error?
@fo4mm209
@fo4mm209 2 жыл бұрын
Sir, if you share your knowledge by selling ebooks, you will get rich !
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
yes dear you are right but i am not sharing for earning it is just for fun. whenever i get some free time from my office, i record some lecture for community, may be it may helpful for someone
@brilliantoz2184
@brilliantoz2184 4 ай бұрын
How do are work in Overland luminous inverter
@shefqetkaralliu6816
@shefqetkaralliu6816 2 жыл бұрын
Le serie del video molto interessante se è in lingua italiana riesco a capire meglio. Se per voi è possibile a tradurre mi fate un piacere. Grazie! 🙏👍
@hussainkhan895
@hussainkhan895 2 жыл бұрын
Sir mai Navi Mumbai se hu led technician hu mujhe ac inverter circuit sikhna hai kya aap shikha sakte hai
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
welcome bhai mein videos issi liey share kr rahaa hoon k aap bhaion ko fayeda ho sakey aap mera urdu channel dekha karein (haseeb electronics urdu) kzbin.info/door/LRRH_M_0oW1oLTuUOsDXdw
@blingmotions6996
@blingmotions6996 3 жыл бұрын
What cause the E6 ERROR CODE worse when the error wont change
@HaseebElectronics
@HaseebElectronics 3 жыл бұрын
most commonly E6 is communication error in maost air conditioners check the both optocouplers in outdoor unit board or IC check also indoor unit ICs and communication wire
@blingmotions6996
@blingmotions6996 2 жыл бұрын
My main problem is with the communication issues E6 error.... my gree 12btu was working fine lastnight and this morning it have an E6 error... I turn the unit off disconnected power for some time yet know difference, how to fix are understand the communication circuit or those optocouplers
@HaseebElectronics
@HaseebElectronics 2 жыл бұрын
verify the signal wire, in some situations this signal wire gets breaks and increased resistance due to weather effect if the signal wire is good, then inspect the outdoor unit an indoor unit optocouplers or communication interface
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