16. fusion splicer 1 normal & 1 white screen in X/Y view; Solution: replace hall sensor 

When you turn on the fusion splicer and find out there is 1 side is white screen and 1 side is normal screen on x/y view. then initial judge is hall sensor problem.
(15th video is only to judge if the red light is the problem when 1 side screen is black, 1 side screen is white)
this video is to judge the "hall sensor" is the problem, and you need replace a new hall sensor.
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#telecommunications