Question about Garmin Edge 305HR GPS Receiver

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Garmin 305 Edge and GSC 10 not receiving one another

I have used these units for over one year without a problem now I can not get a signial to the 305 Edge from the GSC 10. New battery in GSC 10 and all maginets and sensors lined up.

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Solution copied from Garmin



Pairing the Edge 305 and sensors
Once you have installed the Garmin Edge 305 and the cadence sensor they need to be paired. As they communicate wirelessly with each other the Edge needs to connect to each sensor before it can receive input from it.

The initial pairing needs to be done away from other wireless systems this allows the Edge to pick up the sensors it is supposed to be monitoring. This is a little like black magic, but it seems to work quite easily.

The cadence sensor has a small press contact which puts the sensor into pairing mode. The HRM just seemed to connect by itself.

Subsequent pairing is much faster as the Edge 305 seems to remember which sensors it is paired with. If you have problems or need to change one of the sensors then you can use a setup feature to either turn the sensor off or to re-pair it.

Posted on Sep 25, 2010

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Used my garmin edge 305 today on the ride, it worked fine, powered off after the ride. Got home turned on to review my stats and then powered off and went to upload and wouldn't upload, so tried to turn it...


Edge 205 or 305 often crash, then impossible to power on again.

Here is the way to reset the Garmin edge :

Soft reset : hold mode and lap/reset buttons for 10 seconds
Hard reset : device should be powered down, hold start and mode buttons for 3 seconds then pulse press the lap/reset button.

After soft reset, you need to hold start button for up to 10 secs before it starts.

After hard reset, you will loose all your data, including profiles.

Jan 30, 2011 | Garmin Edge 305 GPS Receiver

1 Answer

The edge 305 unit does not answer to hard and soft reset command


Just to be sure ...

Here is the way to reset the Garmin edge :

Soft reset : hold mode and lap/reset buttons for 10 seconds
Hard reset : device should be powered down, hold start and mode buttons for 3 seconds then pulse press the lap/reset button.

After soft reset, you need to hold start button for up to 10 secs before it starts.

After hard reset, you will loose all your data, including profiles

Now if this does not work, you should check battery. Does the device charge when plugged on PC ?
If it does not, either battery is out of order or the contacts inside the device re broken. This may happen if device is used in continuous vibrating environment like mountain bike.

Changing battery or fixing contacts issue is explained there :

http://blog.mtbguru.com/2008/11/06/surgery-on-the-garmin-edge-305/

Jan 04, 2011 | Garmin Edge 305 GPS Receiver

1 Answer

Sorry but honestly...Since GARMIN launch the EDGE this problem is still not resolved by them. The EDGE 305 had the same problems. Just search the www and you will see. My 705 died on me after just 2...


Edge 205 or 305 or 705 or 605 often crash, then impossible to power on again.

Here is the way to reset the Garmin edge :

Soft reset : hold mode and lap/reset buttons for 10 seconds
Hard reset : device should be powered down, hold start and mode buttons for 3 seconds then pulse press the lap/reset button.

After soft reset, you need to hold start button for up to 10 secs before it starts.

After hard reset, you will loose all your data, including profiles.

Nov 01, 2010 | Garmin Edge 705 Handheld GPS Receiver

1 Answer

My garmin 305 edge won't turn on. I had it for about 2 years.


Try soft reset first then hard reset if not solving.
Soft reset : hold lap/reset and mode key for some seconds
hard reset : hold on/off and mode, then pulse on lap/reset.

after soft reset, hold start button for 10 secs before device starts again.

May 15, 2010 | Garmin Edge 305 GPS Receiver

1 Answer

My garmin edge 305 freezes up during the ride on occasion. the distance and elevation numbers just stop changing, while I'm still riding. thanks


OK, There is a battery problem where the contacts become loose within the unit, i opened mine and followed the instructions i got on this site...MTB gurublog If you decide to do so..however if the 305 is in warranty contact garmin.com and ask for new unit... they accept the problem is widespread.

Nov 01, 2009 | Garmin Edge 305 GPS Receiver

1 Answer

Edge 205 turning off through runs


There is a generic battery contact problem in the body of the gps, same in 305...this link will show you how to remedy it..MTBGurublog i have done it with my 305 and now do not have the shutdown anymore.... But, before you perform surgery try a full reboot... turn unit off then press mode and power together... unit will ask if you want to delete data..select yes and then manually insert all data again

Aug 06, 2009 | Garmin Edge 305 GPS Receiver

2 Answers

Garmin Edge 305 won't acquire satellite signals


If the option of working without GPS receiver enabled is turned off, then it may be a real damage.

Only thing is to check this option.

Jun 20, 2009 | Garmin Edge 305 GPS Receiver

1 Answer

Garmin Edge 305 HRM problem


Try to pair his unit with your strap and it won't work, you have a bad strapl

Feb 16, 2009 | Garmin Edge 305 GPS Receiver

7 Answers

Garmin Edge 305/GSC10 Cadence and speed sensor


Had the same problem. Here is how I fixed it.
1. Changed the battery in the cadence sensor. (GSC10)
2. Turned on my garmin 305 edge outside to acquire satellites (probably not nec but did it anyway)
3. Pressed reset on the GSC10, saw red/green flash (what order?)
4. Here's the missing step: On the Edge unit, go to SYSTEM.
5. Scroll to bottom, choose ACCESSORIES.
6. On acc. page, go to bottom, under Cadence Sensor, to the option RESTART SCAN. Press That. Now your cadence and speed should work.

Feb 23, 2008 | Garmin Edge 305 GPS Receiver

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