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Motor or Compressor Won’t Run? Capacitor Test, Troubleshooting

Published on May 14, 2014 1,633,711 views

Motors or compressors won’t run properly? This video demonstrates how to discharge and test a capacitor. The capacitor is a commonly replaced part for a motor or compressor that won’t start. Capacitors are commonly found on furnaces, air conditioning units, refrigerators, and washing machines.

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Comments
  • Muhammad Rafiqul Islam Khan
    Muhammad Rafiqul Islam Khan Год назад Thank you. Would you please make testing videos such as Transistors, Diode, Ics.
  • B Bee
    B Bee Год назад excellent industrial video: clear, and informative. Please make more. How to.change.condenser fan
  • point blank
    point blank Год назад best video ever! very clear instructions. you should do more videos. thank u so much.
  • TorQue WreNcH
    TorQue WreNcH Год назад sir,could you make a video on how to test whether good or bad a lamp ballast.?
  • khushi mohammad
    khushi mohammad 3 года назад technician follow testing procedure thanks
  • Abo Ali
    Abo Ali Год назад thanks man explanations excellent and very clear.
  • Malcolm James
    Malcolm James Год назад Good video .Very helpful thanks
  • Allen Au
    Allen Au Год назад Sir, For the High Voltage Capacitor , Can I use 1.05uf instead 0.87uf -( 2100VAC ) ?
  • EvolutionArtsllc
    EvolutionArtsllc Год назад Thank you so much for this video, it was a huge help and informative.
  • Psycho9263
    Psycho9263 Год назад Remember the Watsco Cappy Jr?
  • kyyote1
    kyyote1 2 года назад Very Informative video. Now I Know how read the microfarhads on a dual capacitor. Thanks.
  • Gerald Fisher
    Gerald Fisher 11 месяцев назад Helped me out a lot, the air is running, Thanks.
  • flyguy26e
    flyguy26e 10 месяцев назад The air compressor motor would only hum, not run, so I suspected the 17 year old run/start capacitors. Tested the capacitors according to the video, and both were good, then noticed the capacitor switch had a broken support on one side - glued the switch into place, and now the compressor starts and runs like before. Yay! Cheap and easy fix that I would not have found when I thought the capacitors were bad.
  • Blade
    Blade 2 года назад Should a cap continue to read ohms and go to infinity over and over? I have two Im testing on our shop air compressor. All 3 read capacitance correctly but two of them quit reading ohms after a few times of switching leads. The compressor motor is not starting under a load.
  • M Gomez
    M Gomez 9 месяцев назад How do you discharge the dual capacitor?
  • yogesh parbhu Patel
    yogesh parbhu Patel 2 года назад Very VERY good demo - thanks - subscribed
  • lucas sacul
    lucas sacul 9 месяцев назад Excellent video, I like that. I do not know anything about the condition of the capacitor, and with your video I already have knowledge, Thanks for your video it's pretty good it helped me a lot to know more about the capacitor
  • Hass Mussa
    Hass Mussa Год назад Am technician from Tanzania I love this job
  • Bissoon Tilkaran
    Bissoon Tilkaran 9 месяцев назад What are the causes for capacitors to blow often.
  • kiyonexus
    kiyonexus 11 месяцев назад 2:18 What's with the yellow spray on the capacitor? I bought two replacements and they both had that yellow spot...