Blaze: Heart rate not working and not tracking sleep

[jocelynw66]

Since yesterday afternoon my Blaze is no longer showing heart rate or sleep.  The green lights on the back ARE working.  I've tried rebooting a couple of times, changed the setting on heart rate from auto to on and back to auto.  Heart rate was showing the two dashes, then was showing 70 (all the time, even when not on my wrist) and now it's back to two dashes.  This is also causing it to not calculate calorie burn correctly.  Any other ideas on how to fix this?  I have a 2-hour training session at the gym tomorrow morning, I'd really like to properly capture my calorie burn.

Moderator edit: Subject for clarity 

[DarBl]

It seems odd that so many suddenly started having issues on Blaze fitbits and no actual fix has been supplied. All seem after last update to be the cause.

[RicardoFitbit]

Hello @DarBl thanks for bringing this to my attention. Let me give you a warm welcome to our forums and assistance with your difficulties.

I appreciate your time and effort troubleshooting this situation prior posting. If you haven't already done so, I suggest you to check our help article: Why won't my Fitbit device sync? and let me know how it goes. If your device successfully sync after these steps are took in consideration, you can check: Why don't I see my heart rate on my Fitbit device? if your Blaze heart rate sensor green lights are still not flashing. Your feedback is appreciated, I'll be here to answer all your questions.

Please keep me posted.