K-Nearest Neighbors (KNN) Classification Problem

@kafikhan wrote:

Dear Experts,
I am using KNN algorithm to predict Machine Failor. I have several sensor data & I have to predict machine fault. Here I uploaded the data-set to Dropbox & Code to Gist.

My problem is accuracy is very low. It is around 55-60% I need to improve this accuracy far more.

I’ll be highly grateful if someone could give me some hints

Thanks, Advance Image may be NSFW.
Clik here to view.

Dropebox link of Dataset : https://www.dropbox.com/s/tgaqfgm2gkl7i3r/maintenance_data_updated.csv

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