Question about Garmin Edge 305 GPS Receiver

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Garmin Edge 305 not registering cadence. Timer stops and starts randomly

My Garmin Edge 305 won't register cadence at all and goes into autopause mode while pedaling. I have checked both magnets, and they are registering on the GSC 10 sensor. My timer starts and then stops after a few seconds. It then starts and stops randomly, but mostly stays in the "autopause" position. I have reset the sensor, and, again, confirmed that it is picking up both the crank and spoke magnets. Help !!

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  • CourtneySR Dec 15, 2008

    Exactly the same problem. I even did a firm update and that has not solved the problem of the unit not registering cadence and starting and stopping randomly.

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4 Suggested Answers

  • 1 Answer

SOURCE: Garmin Edge 305/GSC10 Cadence and speed sensor

I had the same problem. I needed to move the GSC10 as close to the crank sensor as possible, then I tilted the GSC10 slightly towards the crank. This is the only way I can get it to track cadence, but it now indeed works. I simply don't use the spoke sensor as my speed is calculated by the GPS function, and my spokes are too wide to be able to use it anyway as far up the spokes as would be necessary.

Posted on Sep 25, 2008

tbirdfan1
  • 3051 Answers

SOURCE: Short Battery Life in Garmin Edge 305 Cadence

Hello there:
you might want to remove the battery and inspect the connection pins if one of them are bent or loose they will cause this also a loose connection internally will cause this. if this is a warranteed item you might consider using it ok?
best regards michael

Posted on Sep 18, 2009

johnegan84
  • 73 Answers

SOURCE: I have a Garmin cadence sensor now - will it work with new 500

Nope keep your sensor my 500 works fine with either

Posted on Mar 27, 2010

  • 81 Answers

SOURCE: Garmin 305 Edge and GSC 10 not receiving one another

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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1 Answer

Can not get speed and distance to register although cadence does register


Looks as if your GPS is turned off (GPS transceiver). Or the cadence is OK but the device on the wheel to capture rotation is not well installed.

See GPS device via
Settings>System>General>GPS and check that GPS is ON

Dec 09, 2009 | Garmin Edge 305 GPS Receiver

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I have an edge 305 and use it mountain biking. O rough trails it shuts down. I think it's a loose conection inside the unit. When I stop it will turn right back on.


It is a connection problem inside the device. If it is under warranty you should send back to garmin, otherwise you can apply trick as described at following site :

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

Oct 20, 2009 | Garmin Edge 305 Bundle Includes Hr And...

1 Answer

When I training indoor my edge 305 doesn't show me speed and distance even if the cadence sensor works properly


Try start your training device outdoor for a check. If then it is working, the issue is about the device needs to see sattelites to perform measurements and register speed.

You may try switch GPS device off, which is said to be an indoor mode for training.

Menu>Settings>System>GPS Mode

Jul 30, 2009 | Garmin Edge 305 - LL Bean

1 Answer

Cadence does not register on edge 705


This is probably a pairing problem. Device and cadence should be paired. Pairing is often lost when changing battery.

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.

Jul 14, 2009 | Garmin EDGE 705

1 Answer

My Edge 305 will sometimes just stop recording data during a ride. I can restart it by stopping/restarting the timer. but I end up losing data for parts of my ride. Any knows fix for this?


2 possible reasons : either your device memory is full.
If so then erasing all old rides in history should solve it, unless your last ride is too long.
You can also optimize the recording by selecting automatic waypoint recording (optimized) in the record option (see manual).

If all this does not solve, then most probably your memory is corrupted then only hard reset will solve (loosing all user data) :

Hold lode and start key for 10 seconds. Keep holding and pulse press lap/reset button. You'll get a screen asking for confirmation, confirm.

Apr 09, 2009 | Garmin Edge 305 Bundle Includes Hr And...

1 Answer

Garmin 305 Edge and GSC 10 not receiving one another


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.

Feb 22, 2009 | Garmin Edge 305HR GPS Receiver

1 Answer

Garmin 305 edge


Hi,
Re-register it, Re-update it at Garmin
Should be good

Hope this helps
Regards.

Aug 14, 2008 | Garmin Edge 305 GPS Receiver

1 Answer

Distance and average speed don't compute.


My solution included changing the battery in the cadence sensor (GSC10). You might not need to.
1. After changing battery, take bike outside. Turn on Edge 305 to acquire satellites (might not be necessary..)
2. Press reset button on GSC10. Should see red/green flash.
3. On Edge 305, go to SYSTEM.
4. Scroll down to ACCESSORIES.
5. On Accessory page, scroll to bottom, under Cadence Sensor, and press RESTART SCAN.
That fixed my Edge 305 - cadence and speed do appear now.

Apr 07, 2008 | 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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