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PANASONIC F-MY-143 CEILING FAN SLOW? WHY? (SOLVED)


Hi all, last month, one of my sister in-law complaint to me that she not able to control her fan speed. and fan become very slow in term of rotating speed.. So, the fan is no use as they not feel any blowing air from the fan.

 First is to get the model detail:
brand: panasonic
model: f-my-143
5 blade fan
Figure 1: Outside cover of F-MY-143 panasonic fan

remove the cover to get access to the internal board. this fan different than common fan which have separate regulator circuit on the wall.

 This fan come with remote control, so, all the speed control circuit and motor circuit is on the same board.

 Figure below shows the common circuit inside the panasonic remote control fan
Figure 2:electrical board in panasonic fan F-MY-143
Common part that always associated with the fan slowing down is the capacitors. figure show with arrow the suspected damage parts.

 one, is 0.82uF 275V capacitor, another one is 0.1 uF 275V capacitor that usuaslly smaller in dimension compared to 0.82uF cap. These two capacitor can be order on the internet.

Figure 3: Capacitor replacement part

In my case, purchased these two part and then replace my sister in-law capacitor fan with new caps thus help fix the problem. Her fan operate as new again. speed increase dramatically and these help her a lot and make her happy.

 Instead of throwing it out, its better to check. of course it will take your time to troubleshoot and understand the problem. But, with this work, you can increase your knowledge and experience as well save a lot of money getting somebody fix it for you or replace with new fan.

 anyway, thanks a lot, and hope this help



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Comments

  1. nshwa28714 January 2019 at 16:22

    where can buy this capacitors???

    ReplyDelete
    Replies
    1. Brian15 January 2019 at 08:18

      Hi, you can buy from online retailer such below:
      https://my.element14.com/

      or from any other electronic component store..

      hope this help

      Delete
  2. Michael Sheen4 February 2019 at 17:51

    Thanks for the great post on your blog, it really gives me an insight on this topic.
    best hitachi tower fan in uae

    ReplyDelete
  3. Unknown21 February 2019 at 22:30

    Thanks for sharing. My ceiling fan work well after replaced capacitor.

    ReplyDelete
    Replies
    1. Brian22 February 2019 at 12:38

      Thanks..glad it help you..thanks for visiting

      Delete
  4. Anonymous7 March 2019 at 12:07

    i wish to buy the capacitor? any shop that can recommend in KL? thanks

    ReplyDelete
    Replies
    1. Brian7 April 2019 at 21:50

      hi, I am not sure where in the KL..but, I heard so many shop selling electrical component..go and find hardware shop and electrical component shop..but, easiest is purchase online

      Delete
  5. Video Broadcasting25 March 2019 at 14:01

    Thanks for the sharing Great Post....!
    Bigo Live Stream users

    ReplyDelete
  6. hafada2u7 April 2019 at 16:01

    How to remove the cover?

    ReplyDelete
    Replies
    1. Brian7 April 2019 at 21:52

      hi, you need to slide the outer case to the left/right..not sure which way...then, you will find two or three screw hidden..once remove that screw..then you can remove the cover. search on you tube or google..you can find many info about this fan..

      Delete
  7. Unknown13 May 2019 at 00:26

    can i get this model wiring diagram?

    ReplyDelete
  8. Vishal Sharma4 June 2019 at 15:49

    Thanks for sharing the nice post. It will be helpful for many people. Who want to improve speed of their ceiling fans.

    ReplyDelete
  9. reena13 June 2019 at 20:06

    Amazing nice work. This is very useful article. Thank you. For more

    ReplyDelete
  10. Vishal Sharma24 June 2019 at 19:11

    Nice post thanks for sharing this information. Best Ceiling fan Company

    ReplyDelete
  11. Vishal Sharma2 July 2019 at 14:04

    Very informative post good job keep it up. Best wall fan manufacturer

    ReplyDelete
  12. Anabell26 July 2019 at 17:22

    Hey, I just read out your blog, it's quite interesting and informative thank you for sharing it, personally i like Handles4u for Door Locks they supply products to improve the security of your gates, garages and windows.

    ReplyDelete
  13. Unknown31 August 2019 at 10:59

    Hi, many thanks for your advice. In fact, all the Panasonic ceiling fans (8 pcs) in my house have this common problem. Panasonic should look into this issue.

    ReplyDelete
  14. Richard14 September 2019 at 15:55

    Hi Brian, thank you very much for your advice with regards to the problem of my Panasonic ceiling fan (slow speed). I managed to change the capacitors and both my fans are working perfectly now. For those who live in PJ/Shah Alam, you can buy the capacitors in PJ from LKL Sunrise Electronic in Paramount Garden. Just google the address. Best of all, the shop can replace the capacitors for you on the stop @ RM8.00 for 2 pcs of capacitors and labour charge. Very reasonable. Richard

    ReplyDelete
  15. Anonymous30 January 2020 at 16:52

    Thank you for this informative article!

    ReplyDelete
  16. Micheal Alexander22 June 2020 at 13:33

    Hello, an amazing Information dude. Thanks for sharing this nice information with us. Ceiling fan slow reason

    ReplyDelete
  17. 我的生活24 June 2020 at 15:43

    Thanks for the info. Will try change it. Wonder if its the same part to b changed for noisy fan..u know?

    ReplyDelete
    Replies
    1. tzezhuan10 August 2020 at 16:50

      Hey, I have the same Panasonic ceiling fan as it was having extremely slow speed and the humming noise when it's turned on. Followed the step in this blog post and replaced both the capacitors. Speed went back to normal but the noise is still there. I guess other parts on the board is causing the noise.

      Delete
    2. Unknown17 November 2020 at 13:39

      The motor is humming you need to replace the starter coil capacitor.I have done this before as I have 3 of this Panasonic fans since 2001.
      It is the 450wV or 500wV capacitor above the motor unit.Check it up.
      If you keep on running for hours with the motor humming soon it may breakdown.

      Delete
    3. Unknown17 November 2020 at 14:08

      Your link to Lazada https://images.app.goo.gl/McoiYe4RSuB4Z6ix9

      Delete
  18. thePuppeteer14 August 2020 at 08:28

    Hi brian,

    so after replacing both capacitors, her fan speen can be controlled using the remote?

    Thanks

    ReplyDelete
    Replies
    1. Brian16 August 2020 at 08:47

      yup..remote work...fan can be controlled by remote

      Delete
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    "This place looks so peaceful and serene. I could spend hours just soaking in the beauty

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