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A Treadmill With (E1) Error Repaired and Maintained. Model: York

By on June 23, 2021
how to fix york treadmill

As I was picking up my nephew from the Kindergarten, a teacher approached me with the question if I repair treadmills and of course I asked him to bring the board to the shop for full check up. Because of Covid 19 I was not able to go to his house to dismantle the board so I instructed him on how to do it.

how to repair york treadmill machine

Usually with an E1 error display is a sign either a bad board or a bad motor but from experience especially with York treadmills the fault often is the board.

By looking at the board, right away I could see a faulty capacitor which means a faulty IGBT on that same line.

blown varistor in treadmill

That is a 103/2KV capacitor which is connected mainly to the motor and on the other side connected to the IGBT.

check shorted igbt

The IGBT part number is GH20N60B3 and as expected, it was shorted to all three pins.

GH20N60B3 igbt

HGTG20N60B3 datasheet

You can click on this link and the above photo to access the datasheet

The only replacement I could find for such IGBT in my shop is the FGH40N60SFD which has the same rating of 600 volts but higher in amp which is 40 instead of 20.

I have done this modification before and it worked like a charm.

how to fix and repair York treadmill

As you can see in the photo, I have replaced both the IGBT and the capacitor and of course I cannot test it out since I do not have the rest of the treadmill machine in the shop. I called the guy and after instructing him on how to put the board back for testing, he called me four hours later to inform me that the machine is up and running.

Mission Accomplished.

This article was prepared for you by Waleed Rishmawi, one of our ‘Master Authors’ and currently working in the Bethlehem area of Palestine repairing electrical and electronic equipment.

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Note: You can check his previous article on Welding Machine Repair

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6 Comments

  1. Albert van Bemmelen

    June 23, 2021 at 12:38 pm

    Nice job Waleed!, but be careful with the messy white cooling paste that they put on the semiconductors. We never know what chemicals it contains.

    Likes(5)Dislikes(0)
    • Waleed Rishmawi

      June 23, 2021 at 5:03 pm

      Albert: thanks man. I am always careful and usually wear gloves but due to the covid 19 situation not more gloves available and if found usually expensive. I usually wash my hands after the repair. thanks for sharing your concern. have a blessed day

      Likes(3)Dislikes(0)
  2. Parasuraman S

    June 23, 2021 at 1:57 pm

    Treadmill also brought back to life, to support the lives of human beings! Doubly benefited! Well done, expert!

    Likes(4)Dislikes(0)
    • Waleed Rishmawi

      June 23, 2021 at 5:04 pm

      Parasuraman: thanks man. have a blessed day

      Likes(3)Dislikes(0)
  3. Babu M S

    June 23, 2021 at 9:42 pm

    well done, with out machine your repaired the board.A very good job.

    Likes(1)Dislikes(0)
    • Waleed Rishmawi

      June 24, 2021 at 6:57 pm

      Babu: thanks man. yes i have been doing this kind of repair for more than a year now. have a good day

      Likes(0)Dislikes(0)

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