Polar 76 em - After power start - does not read size fast


Hi All,

how are you , I hope that all of you in good health and mood

I have Polar 76em 1982 model its in good condition but the issue now is:
after power start the screen shows 0 and the cutting machine does not read the current size of cutting
to solve that we push the button to move the size back and its move until reaching last limit and stop
then we pull to move the size to front and it will move until reaching the front limit and stop without aware of current size
so screen still 0
after few times the machine will suddenly under stand the position and stop and screen will show the size
which is always around 23 cm

Kindly can you clarify what is the correct thing and how to fix it if it is wrong

best regards


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