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  1. R

    Polar FIS pf04 pros & cons

    Mine did that. Turns out they sent me one someone sent back to them. When they replaced it with a new one, I installed it and haven’t had a single issue since.
  2. R

    Polar FIS pf04 pros & cons

    It seemed to falter more over time after I would reinstall the firmware and update it to factory settings . Like I could get it updated and set up with parameters and it works great but like a month or say 500 or so miles later, the display would not stay “up” i would navigate to the menu and it...
  3. R

    Polar FIS pf04 pros & cons

    Just to confirm, module is out and all the issues I’ve been experiencing are gone.
  4. R

    Polar FIS pf04 pros & cons

    Got the polar FIS last fall, installed and LOVED IT. I no longer commute to work and have to watch my regens carefully as a result. This helped take the guessing game out display started dropping out within about six weeks. I’ve pulled it and updated the firmware four times since then and...
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