Question about Polar F6 Wrist Watch

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Polar F6 - Battery replaced, display corrupt after watch loads.

Hello all,

I have carefully disasembled my Polar F6, replaced the battery with a new CR2032 3V; earthing myself with an anti-static strap to avoid discharge.

When I put the LCD screen back on, all of the symbols and lines are present and strong. When I press a button I get a very dim egg timer with most of the pixles missing, when the watch has loaded itself, I get a very poor display with a lot of pixles missing.

If I reset the watch - holding down all of the buttons except the light - I get the crisp display again showing all of the symbols and LCD cells.

I have taken it apart several times ensuring that all of the clips are firmly in place and are unbent to provide even presure for the LCD contacts but everytime I get a similar result, sometimes better then others, but still with pixles missing. :(

Suggestions welcome.

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  • mouseag1999 Apr 09, 2009

    I'm having the same problem.  Got the battery replaced at a radio shack, but now it's having the exact same issue.

  • Adey Hobson-Merrett Sep 11, 2011

    I did manage to get it working properly with some persistance - just needed to get the display seated on the contacts properly. I have now done this process several times on mine and my girlfriends F6 and have not had any problems since. I have learnt to take it apart as little as possible - keeping the display, front metal clip, etc together and then just removing the battery and replacing it.

  • Brian Dudas May 04, 2013

    I have a problem with the F-6 draining the battery completely, only when the rear cover is placed back on. i tried covering the entire back surface of the battery with a sticker, just to make sure it wasn't grounding against the (metal) back cover, and the watch works fine for days until I put the back cover (back) on, then it drains completely overnight. Where could the ground be?

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I had the same problem and attempted what banjodoug suggested above. It did not help. I had a faint display even before I re-inserted it into my watch frame. I surmised it wasn't the battery position.

I then took apart the damn thing and put it back together several times, each time rushing to push the setting/center button only to derive the same problem over and over.

I then took it apart one more time and pinched in all of the sides of the metal frame that holds it all together, thinking that I had a bad ground. After I did that, I reassembed it and waited. The display came on with the test display and then eventually went to the standard display on its own and all was good to go.

I suspect the issue was solved by correcting an improper ground and a proper initialization process - both solved by the steps I took above.

Hope it works for you!

Posted on Jun 30, 2009

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I had the same problem. It turned out I didn't seat the battery all the way when I put it in. I took it apart and pushed the battery in as far as it would go. Then I put it back together and everything worked. I think the battery was putting too much force on the display when the back cover was screwed down tight. Pushing the battery in all the way solved the problem.

Hope this helps.

Posted on May 10, 2009

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I had the same problem. Replaced the battery very carefully; Test display came on; As soon as I pressed a button the egg timer came on and the display was corrupted and barely visible.

I tried the solution recommended by banjodoug. I also clipped the metal cage back on differently - I pressed the clips in diagonally starting with the corner of the battery contact underneath (this lifts up the circuit board in the corner very slightly). Clipping it diagonally this way seemed to seat the circuit board and display better.

Hey presto, the test display came on...I waiting few more seconds and the time came on.

It seems to be working fine now.

Posted on Nov 07, 2010

  • qcyqbcf711 Mar 03, 2011

    I think it also must have something to do with the GROUNDING of the electricity. There is a small spring on the corner of the back inside part which touches the back plate of the watch when the back plate is put back on. I held the spring against the metal back plate AND THEN connected the battery and the display is perfect now. I was having the exact same problem as others. Hope this makes sense. Thanks for others' help.

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I had the same problem and what fixed it for me after trying the options above, was to assemble the circuit board, battery, LCD, and metal clips and then push the side of the circuit board where it was most exposed, against the black plastic of the LCD. Each time I pushed, the display became more clear. My guess is that the contacts didn't line up just right and needed some help. It is working fine now.

Posted on Nov 20, 2013

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I had a faint display even after having the battery replaced at an authorized center. So I took apart the watch separating the LCD display from the printed circuit board underneath. I then cleaned all contacts on the PCB on the periphery and put it back together. Now the display is back strong.

Posted on Feb 15, 2012

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Hey guys, so i just replaced the battery in my F6 and now it's not doing a thing, is there a reset button i am supposed to push before i close up the back , please help.. thanks
sean

Posted on May 23, 2010

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