Question about Polar F11 Heart Rate Monitor

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Polar F11 ''Scrambled/Smudged'' Display

The display on my Polar F11 HRM is smudgey and barely readable. Some of the graphics look faded and fuzzy. Any idea how to fix this or what has caused the problem.

Worked last night when i took it off. Woke up and it's not very readable.

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You have to replace the battery with the new one. In most cases underpowered battery causes faded or even disappearing digits on LCD unless your watch has been damaged by water. Find your nearest watch repair shop or do it yourself. Do not forget to rate, please.

Posted on Jan 22, 2009

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Fix a fading display screen


Check Menu on screen and look for "Brightness". Change setting to 100% or whatever setting works for you. If it is already at maximum you do need to replace it. Some monitors do (eventually) "burn out".

Mar 02, 2015 | Computers & Internet

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Instructions to reset a nordictrack cardio track watch


You may have started wearing a Polar F11 Fitness heart rate monitor to help you keep track of your pulse during cardiovascular exercise. The monitor consists of a strap with electrodes that you attach to your chest, which transmit heart rate data to a receiver worn on your wrist like a watch. The wrist unit stores data and settings that you can customize, such as your weight, height and target heart rates. However, you may wish to reset the unit and start over with new settings. You can reset your Polar F11 by following a few easy steps.
Instructions:

    • Press any button to activate the Polar F11 Fitness heart monitor unit.
    • 2 Press all buttons on the Polar F11 Fitness heart monitor simultaneously, except the "Light" button. There are five buttons and the "Light" button is at the top left side of the unit. Continue to hold the buttons until the display fills with digits.
    • 3 Press the "OK" button, which is located on the right side of the unit in the middle of the up and down buttons. The Polar F11 Fitness heart monitor will reset.
  • Oct 02, 2011 | Nordic Track NordicTrack Treadmill, A2550

    1 Answer

    I changed my wife's Polar F11 HRM watch battery. When I replaced the battery the entire screen lit up, everything. I let it sit for a few minutes and the normal screen came up. Kind of like it was "booting...


    Try resetting. From the manual, "if there are no reactions to any buttons, reset the wrist unit by pressing all the buttons simultaneously for two seconds. All other settings but time and date are saved."

    Is it possible the watch block is not in correctly and the display is getting squished?

    Aug 03, 2010 | Polar F11 Heart Rate Monitor

    1 Answer

    Hello, I am looking for a replacement body for my Polar F11 HR watch.


    Wow. I just went through this.

    Polar doesn't sell replacement bodies. You can only go through a repair center for about $50. I bought a "display only" non-functioning model off of eBay for $10 and the body is the same as a functioning model.

    It came with protective plastic over the face that peels off and a dummy display on the inside that peels off too.

    The only problem is the display model didn't have a seal/gasket and after removing my old seal it was stretched out and didn't fit. I cut the seal to make it shorter but now it is no longer waterproof.

    It is possible the seal can be purchased at one of the Polar service centers.

    I suggest removing the seal carefully without stretching it.

    Good luck.

    Jun 14, 2010 | Polar F11 Heart Rate Monitor

    1 Answer

    Fading LCD display on Polar F11


    I have this problem as well! I was just googling this problem when I found your post. I have the exact same watch and have had it for 2 years. I don't expose it to the sun or heat though.

    Jun 13, 2009 | Polar F11 Heart Rate Monitor

    2 Answers

    How do I change the battery?


    Someone posted a link on how to change the batter on an F11. If it's not longer under warranty or you just don't want to bother with sending it back and the extra costs, you could follow this: http://timlaqua.com/2008/09/how-to-replace-the-battery-in-a-polar-f11-heart-rate-monitor-hrm/

    Jun 10, 2009 | Polar M32 Heart Rate Monitor Watch

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    How to change the battery on a Polar F11 Heart Monitor


    Here are instructions (with images included) on how to replace the battery for a Polar F11: http://timlaqua.com/2008/09/how-to-replace-the-battery-in-a-polar-f11-heart-rate-monitor-hrm/

    Jan 11, 2009 | Polar F11 Heart Rate Monitor

    3 Answers

    Polar F11 blank display


    Sounds to me as the integrated circuit has been damaged.
    In this case you will not be able to repair it yourself as watchmakers skills needed.

    Dec 13, 2008 | Polar F11 Heart Rate Monitor

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