Garmin Edge 305 GPS Receiver
Problem for Garmin Edge 305 GPS Receiver

Garmin edge 305 heart rate sensor does not work




By MikeHallauer on Mar 21, 2008

" "
The heart rate sensor does not work. Battery seems okay. Ensured that system settings - accessories enabled the heart rate sensor, and even forced a rescan. The unit just does not pick up signals from the heart rate sensor belt.

Same Problem

Mar 21, 2009

-   Same problem. Worked great the first 1.5 years. Have replaced the battery in the strap. no go. Did a rescan, no go. Repositioned the belt repeatedly, no go. Cleaned the strap. No go. Getting pretty frustrated over spending the kind of money on this unit! -   scottandheat

Jan 15, 2009

-   same problem, tryed everything, but it won't work.-   Guest

Sep 02, 2008

-   I have the same problem with a 305 receiver that has been in storage since September 2006. The unit will not recognized the HM belt. I have changed the battery, cleaned the contacts, varied the position, and repeatedly initiated rescans. Nothing has worked. My local bike shop/dealer suggested a complete computer reset or reboot, but neither he nor I can figure out how to do that. I don't see any obvious way to remove the 305 battery or any reset button. I know the unit was working with the same strap in 2006 because I can download the data.

Any help would be appreciated.

Charles Bankston
-   cabankston

Jul 31, 2008

-   I've had the same problem with the HRM. If you go into settings under devices and hit the "Restart Scan" it will usually find it.-   Guest

Jun 13, 2008

-   Mine stopped working the same time the cadence stopped working. I thought it was the receiver itself, but I replaced the battery in the cadence sending unit. That fixed that. But nothing I tried worked on the HR Monitor transmitor. I ended up ordering a new one and it work right away.-   Steve922

Best Solution

posted on May 28, 2008
Very Helpful)

monmak

Rank: Apprentice 
Rating: 90%, 8 votes
I had the same problem on my first ride with the Garmin. Fortunately my riding buddy had an identical setup that was working fine, so we could troubleshoot. Neither his strap nor his 305 worked for me but any combination of my units or his units worked fine for him. After determining that I did have a heartbeat (!) I relocated the strap a few inches to the left (Garmin Logo under my left pec). Has worked fine since.
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Solution #2

posted on May 28, 2008
Helpful)

Guest

Rank: Apprentice 
Rating: 0%, 0 votes
I fixed my problem as well. The actual sensors are the ribs in the strap, not the plastic housing like I thought. I cleaned the rib sections on the strap with acohol and it's been working flawlessly ever since. I think there was some reside coating from production on it. Once I cleaned it off, it was able to pick up my body reading.
I hope this helps someone !

Solution #3

posted on Jul 31, 2008
Somewhat Helpful)

lyons156

Rank: Apprentice 
Rating: 75%, 1 votes
When my HRM wasn't working I went into the settings under devices and hit the restart scan option. It immediately found my heart rate.

Not sure if any of you have tried this already.
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10 Other Users Have The Same Problem - Continued

Comment by Guest, posted on May 29, 2008

Actually I managed to solve the problem by downloading and installing the latest edge 305 firmware versions for the system + GPS firmware. For some reason my Garmin Edge arrived with a GPS firmware version of 0 and a system firmware version which was out of date.

Comment by Sly Jackson, posted on May 15, 2008

Same here. I have done all the above. Sometimes I will get a reading and then it will just disapear. I going to send this back !

Comment by Guest, posted on Apr 21, 2008

Yeah same prob here, have just replaced battery in monitor belt but have not tried it yet. Read somewhere to ensure that belt is right way up i.e garmin logo is right way up? will try that also.

Comment by JHolmes, posted on Apr 13, 2008

Seems like we're having a run on this. I have the same problem. I did the following and still no signal:
1. Rescanned for the HR monitor (yes, it's enabled!)
2. Really wet down the electrode pads
3. Checked the contacts inside the battery compartment to make sure they are in contact with the battery bottom and side.
4. Replaced the battery with a fresh 3V lithium- same standard as the factory

Everything else works but the HR monitor doesn't! Any ideas? Thanks in advance!

Comment by Guest, posted on Apr 13, 2008

I too am experiencing the same issue and have just replaced the battery (CR2032) within the Heart Rate monitor strap.

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