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Daniel Posted on Mar 24, 2017
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Garmin Edge 705 Heart Rate Monitor Not Working

My heart rate monitor(HRM) began giving wrong readings like HR 55 while excercising and then a few days later quit working completely. Previously this was caused by old battery and i have not replaced this one in long time. I put in new battery in the chest strap but now get no reading whatsoever. I have tried to reinsert the battery multiple times and pulled the battery contacts(side and bottom) a little more to make sure contact is good and still no heart rate. Does anyone have any ideas? Also, I have seen some talk about a rescan fixing the issue but when i go under menu/settings/system there is no rescan option? Maybe my garmin unit is older and doesn't have that feautre...I think i bought it back 5 years ago?

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Captain Neal

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  • Expert 174 Answers
  • Posted on Apr 09, 2017
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It could be that there is a failure in the circuit between the two pads on the chest strap and the HRM electronics in the middle. If it won't work at all try putting the battery in backwards for a few seconds (this is supposed to accomplish a reset) and then try re-pairing it with the Garmin. If this doesn't work, I suggest a new HRM. I've hadevery good luck with my Wahoo TICKR and a Garmin 502.

  • Mike Bedford Dec 16, 2019

    This worked - Reversing the polarity of the battery then reinstalling instantly resulted in the HRM being recognised. Be careful when putting battery in backwards though as it is very difficult to pull out compared with when it is inserted the right way around

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  • Posted on Apr 16, 2017
Donald Ayers-Marsh
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ALL resettable locks have to be open to reset them. Otherwise a thief could simply reset the lock to open it. If the lock is closed and you have forgotten the combination, then try these idea: open combination lock forgot Google Search

I’m happy to help further over the phone at https://www.6ya.com/expert/donald_f2ed37026a3ac881

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John Egan

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  • Expert 85 Answers
  • Posted on Apr 16, 2017
John Egan
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Honestly I find that when you 're looking at a satellite device hrm etc your problem stems from the main unit. I recommend soft reboot or factory reset of main unit. When completed attempt a pairing and if there is still a problem then it is most probably a software issue
Most units can be updated manually by tether attachment to pc.
Also I would recommend a visit to local distribution hub (shop or store) to see if there is "hack" for this incompatibility

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Oct 26, 2008

SOURCE: Garmin 305 Heart Rate Function Gone

I Have had the same problem couple of times (and forgotten each time how I solved it). I figured it out just now and this is what I did.

1) turn on unit and put on heart monitor (make sure battery is good and wet heart strap)
2) using the mode button navigate the menus to: Settings: General: Accessories: Heart Rate Monitor
3) Once in the Heart Rate Monitor option make sure "Yes" is selected and then use the arrow buttons to highlight "Restart Scan" . Press the enter button to rescan for your heart monitor. (I had to rescan twice)
Go back to the main monitor screen to see if you are recieving heart rate signals.

I am not sure why a manual rescan needs to be done every time but it would be nice if Garmin fixed this issues in a unit software update (my unit has software version 2.80)

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Anonymous

  • 1 Answer
  • Posted on Jan 19, 2009

SOURCE: Heart rate monitor reading "lo"

to shutoff HR out of range alarm - when selecting the ranges in the HRM Steup mode - press the START/SPLIT button to toggle the alarm on and off. (use the start/stop button on the pro fitness model). page 14 in my manual

vpaaf

Howard

  • 115 Answers
  • Posted on May 01, 2009

SOURCE: heart rate monitor chest band not working with Life Fitness 9500H

This mean that you unit is not equiped with a receiver inside the treadmill. Some models that was an option. Polar is the only brand that works with Lifefitness. You may have a bad upper display board. You can buy a replacement for a small amount of money.

I’m happy to help further over the phone at https://www.6ya.com/expert/howard_079189dd4959a511

escapement

Arturs Kalnins

  • 2338 Answers
  • Posted on Mar 04, 2010

SOURCE: my heart rate monitor keeps stopping picking up my

Click on my profile (escapement), then click on Tips and Tricks. There you will find link to all POLAR watch manuals. Rate me, please.

Anonymous

  • 2 Answers
  • Posted on Dec 09, 2010

SOURCE: garmin edge 305 heart rate sensor does not work

the rescan worked for me, didn't know it existed, briljant. Follow list below:settings/system/accessoires/rescan
I love google today;o)

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I Have had the same problem couple of times (and forgotten each time how I solved it). I figured it out just now and this is what I did.

1) turn on unit and put on heart monitor (make sure battery is good and wet heart strap)
2) using the mode button navigate the menus to: Settings: General: Accessories: Heart Rate Monitor
3) Once in the Heart Rate Monitor option make sure "Yes" is selected and then use the arrow buttons to highlight "Restart Scan" . Press the enter button to rescan for your heart monitor. (I had to rescan twice)
Go back to the main monitor screen to see if you are recieving heart rate signals.

I am not sure why a manual rescan needs to be done every time but it would be nice if Garmin fixed this issues in a unit software update (my unit has software version 2.80)
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Garmin edge 305 heart rate sensor does not work

the rescan worked for me, didn't know it existed, briljant. Follow list below:settings/system/accessoires/rescan
I love google today;o)
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