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Haier air conditioner show E7 error and does not work

E7 error is showed after 2 minutes and the compressor does not start

Posted by mario_marina on

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4 Answers

Muhammad farooq

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Change the capacitor 22mf 50 volt near 4 pin power ic then e7 error is solved
haier air conditioner show E7 error and does not w - 7_5_2019_7_11_52_am.jpg

Posted on Jul 05, 2019

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  • Muhammad Rizwan akbar
    Muhammad Rizwan akbar Jul 13, 2019

    AOA
    bhai i need your help?

  • Muhammad Rizwan akbar
    Muhammad Rizwan akbar Jul 13, 2019

    same error tell how to remove

  • Luca Fornari
    Luca Fornari Jul 24, 2019

    Dear Muhammad farooq, could you point in the picture you've attached which one is the capacitor to be replaced? I cannot locate it. Thanks

  • Peter Wilbrink
    Peter Wilbrink Aug 21, 2019

    I think it should be 22 uF instead of 22 mF and it is near a 6 pin IC (IC1, 1200p100). The coating showed some discoloration at the pcb that I have at that spot.

  • Luca Fornari
    Luca Fornari Aug 27, 2019

    Dear Peter, thanks for your help. I have now located the capacitor and in fact my pcb shows some brownish in that area. I will try to replace it and I will let you know the outcome. To be precise, IC1 is an 8 pin IC (not 6)

  • Luca Fornari
    Luca Fornari Oct 02, 2019

    I have replaced the capacitor but unfortunately I was not lucky: E7 still appears. There must be something else but I do not know who can diagnose and find the faulty component.

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Felizardo Erilla

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Check your communication cable for loose or cut, if your communication cable is good then its the mainboard problem.
haier air conditioner show E7 error and does not w - 4_30_2019_3_12_45_am.jpg

Posted on Apr 30, 2019

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Paul G

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E7 is a pressure problem. You will need to get the system checked by a licensed technician.

Posted on Apr 30, 2019

mubashar

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Same problem because of voltage problem . here voltage was 400 so it was show e 7 then i made my voltage normal and ac is working good (y)

Posted on Jun 02, 2017

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bobotfel

Felizardo Erilla

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SOURCE: hisense air conditioner

-If both compressor and fan motor starts and stop, thermostat is the defect.
- If only the compressor check for your outlet no sign of discoloration, check the voltage if normal, check the defective overload protector of the compressor it its external, or compressor itself is defective

8fa8bfe.jpg

Posted on Jan 04, 2008

Martial Cote

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SOURCE: Leaking Haier Commercial Cool air conditioner.

there are 3 drain holes in the primary pan right underneath the evaporator that need to be clean with a pipe cleaner or a wire of somekind and there is also a secondary drain behind it that will work only if the unit is 100% level. To access the primary drain pan you have to take all the screws of the back cover 5 on each side and 3 in the center above the electric cord and behind the air filter and only then will you be able to see these very small holes. Use a flashlight to make sure. Have fun!Reply

Posted on Jul 07, 2010

Anonymous

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SOURCE: My Haier 8,000 BTU air

I had that same problem, find the remote and use that to turn it on / off. It solved the problem for me, for whatever reason. You will need to use the remote until the buttons start working again, took mine a few days. I have no idea what was wrong with it.

Edit: I Still get notifications about this 11 years later. I did figure out what was wrong with it. In my case, the E1 notification was because the control panel on the AC was frozen and not working. But the remote control still worked.

Posted on Sep 06, 2008

Anonymous

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SOURCE: LG Inverter Air Conditioner showing CH 02 what can I do?

The model number would be on the right hand side of the outdoor unit and same on the indoor unit if it is a midwall split. If it is a flat cassette cieling type you may need to open the grill, which is simply two little levers either side of the grill, and the grill will swing open. Without the model number it is difficult to give accurate info. However, I can offer the following. One, check the condensate drain. You can just blow into the drain pipe from the outside and this sometimes clears clogged mud in the drainpan. Or two, error reading can also come from phase failure (in the case of a three phase unit) or power related problem. This can be solved by switching off the mains and then switching on again to reset. If you have a phase failure you would need an electrician to confirm that the power supply is good. Unless you have a volt meter.

Posted on Mar 04, 2009

Anonymous

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SOURCE: I have a TCL split system air conditioner with error code E2

I have the same problem with my TCL unit. I have had the Tech out to day and I am told it is an internal senor in the unit that fails. I am informed by the tech that this is a very common fault with the TCL unit. Also if you live in Australia like me prepare yourself for a fight with TCL due to them not liking to honour the 5 year warranty. I would not recommend this product to anyone

Posted on Oct 25, 2010

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