Question about Garmin Forerunner 305 GPS Receiver

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New Garmin forerunner 305 just shuts off when running with it and it is working fine. Can stop and restart time if notice it. It should not stop for no reason. If I tighten wrist band too tight it also shuts off.?? John

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6 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: Forerunner 305

Hi,

Had identical problem (incredibly frustrating, glad I didn't have the heart rate monitor attached !) I did the following to resolve the issue :-

. Uninstalled the GTC
. Reinstalled it from the supplied disk
. Updated the Forerunner with the latest v2.8 software and GPS v3.00 from the Garmin website.
. Updated the Garmin USB drivers
. Updated the GTC with the :-
Training Center For Windows software version 3.3.2 as of November 7, 2007
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This was on the Garmin site :-
http://www8.garmin.com/support/collection.jsp?product=010-00467-00

Still early days, however the PC and forerunner are at least talking to each other :-)

Mark.

Posted on Jan 03, 2008

SOURCE: GARMIN 305 Forerunner wont transfer data to PC

For Pc users:

Go to Garmin website Updates & Downloads, Training Centre for Windows software version 3.4.1, click on download.

I previously deleted all saved couses on Training Centre, but don't know if this is relevant.

Posted on Jun 02, 2008

  • 3 Answers

SOURCE: Garmin forerunner 305

Will it start up whilst in the cradle, charging?

Mine did, but will not charge up off the cradle. Turned out to be a duff battery/connections due to water getting into the device!

F_P

Posted on Jul 08, 2008

  • 1 Answer

SOURCE: My Garmin forerunner 305 will not turn on.

I have had the same problem. To fix it, I simultaneously hold down the "mode" and "reset" buttons for about 10 seconds. After releasing the buttons I power it up as normal. This has worked both times it has happened, and I got this fix from the Garmin website. My mileage totals are still in the history.

Posted on Feb 26, 2009

  • 84 Answers

SOURCE: change Battery in garmin forerunner

Might not be the battery.My wife's was always powering off during runs. Then it would not power on at all. There was a connection inside that wasn't making contact. But first First try cleaning the 4 brass connection tabs on the watch and check your charger to make sure the tabs are raised and not squished. Second try to reset the unit. Hit mode reset and power buttons all at the same time. Hold these for 3 seconds and then release. If these do not work here is what I did. There are no screws holding the unit together. I used a exacto blade to very carefully pry the unit apart along the side seam. It's not easy to do. Be very cautious and gentle. Work the thickness of the blade into the joint to gently wedge apart. You are not trying to remove material! Once apart you will see some brass fingers that make a connection between the upper and lower part of the unit. This is where the problem was with my wife's 305. I gently raised these tabs to make a better connection, It's been working ever since. I didn't try it before but try pressing very hard on the unit where it says Forerunner 305. The case is very hard so it might not work. But if it powers up when pushing you found your problem. Hope this helps.Here is a link I found on opening a 205 (Same process) http://ctorunner.googlepages.com/dismantleforerunner205 To put the unit back together use Automotive silicon/gasket maker.Use a tooth pick to put a VERY small amount of silicon around the entire seam. Put the two half's together and wrap tightly with electrical tape. Test the unit immediately to see if it powers on and off. If it does not open it back up and raise the small prongs more that make the connection from the bottom half to the top half. If any silicon squishes out the sides wipe with water and a rag.Let the unit sit over night. In the morning remove the tape.

Posted on Jun 09, 2009

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1 Answer

My Garmin 305 shuts off when I pause during a run. If I stop mid-run and pause my Garmin THEN hit start to continue it shuts off instantly. Is this fixable?


Hello,

Try resetting the unit by pressing the "Mode"(reset/lap) and "Power" buttons at the same time.
Also, be sure that the unit has the latest update.
Reloading the latest update will resolve most issues.
download the latest version of WebUpdater software

Sep 19, 2011 | Garmin Forerunner 305 GPS Receiver

1 Answer

My garmin 305 forerunner has just stopped working - it was plugged in to my laptop - I removed it from its dock and it has gone dead!! What can I do?


Welcome to FixYa!
Try to restart the laptop with the Garmin connected to your laptop.
Keep me posted. Thank you for using FixYa.
Jas247

May 03, 2011 | Garmin Forerunner 305 GPS Receiver

1 Answer

Forerunner 305 GPS Receiver: Is it possible to change the battery in a Garmin F...


Yes you can. Go to the Garmin Website and simply email them asking for the price of the battery and instructions on how to replace your specific model and serial number as they changed in mid year many times.

May 03, 2010 | GPS

3 Answers

Garmin Forerunner 305 won't turn on and won't charge. Is there a fix or is this it for the device?


Look at
"http://www.activesplit.com/my-garmin-forerunner-305-doesnt-power-on-its-just-dead-solutions/"

You can soft reset or hard reset the device. Hard reset deletes all data.

Apr 01, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

Opening forerunner 305


Hi

I have a problem with my 305 whereby the mode button stopped working so semi pulled mine apart.

If you look at the 305 from the side you can see where the rubber bit covers the buttons. The bottom of the rubber bit is attached to the rear of the forerunner - don't try to detach it - I munted mine a bit detaching it. At the top of the rubber, nearest the face you'll see a small gap. Follow the gap anti clockwise from the power button down to bottom left corner of the face near where the wrist strap pin is. Here you'll see the gap is plastic on plastic on plastic. I believe a thumbnail or similar in here and worked around carefully will let you pry the face off. I stuck my thumbnail in there and got the face to lift 1-2mm before I backed off. Note I didn't go any further than that.

For my problem by the time I had munted the rubber cover and was able to operate the mode button with a paperclip I new it was dead so didn't bother going any further as I could still use the 305 in reduced mode without mode changing.

Aug 29, 2008 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin 305


I think that you have got a loose connection on the battery. I had the same problem, took the top off and had a poor connection on one of the battery terminals.

Any jolt would cause it to shut down.

Should be a simple fix if you don't mind going inside!

Jul 05, 2008 | Garmin Forerunner 305 GPS Receiver

5 Answers

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)

Mar 21, 2008 | Garmin Edge 305 GPS Receiver

1 Answer

Can't stop hardware


Down by the clock on your PC you should see the "G" logo. Right click and "exit" that should stop the software for you.

Dec 31, 2007 | Garmin Forerunner 305 GPS Receiver

1 Answer

Garmin Forerunner 305 usb cable won't be read


The problem is probably not with the USB cable if the GPS wont even turn on. The older firmware of the Forerunner 205 and 305 have a problem with locking up. This causes the Forerunner to look completely dead. There is a reset procedure: push the mode and reset button at the same time and then let go and hit the power on button. If it powers on that is the problem. Go to the Garmin site and load the newest rev. of firmware into the Forerunner. Fixed mine and a few friends with the same problem.

I do however have a cable problem. Sometimes my PC will come up with unrecognized USB device and my 305 wont talk to the PC, it does charge. It is the cable or dock for sure, because I have tried a different cable/dock and the 305 has no problem. This is the reason I ended up here. I hope the lock fix works for those with the above problem.

Dec 16, 2007 | Garmin Forerunner 305 GPS Receiver

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