Question about Garmin Forerunner 305 GPS Receiver

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Pulse meter on forerunner not functioning

Went to use fore runner and found pulse readings nom longer recording. replaced battery but still no readings

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  • eidy Jun 15, 2008

    moistened inside no difference pulse meter not recording.

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1 Answer

Moist inside unit.

Posted on Jun 15, 2008

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2 Answers

How to remove battery from garmin 205 ?


they are fixed in you have to take the hole thing to bits

Jul 27, 2014 | Garmin nuvi 205W GPS Receiver

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Garmin 295 forerunner will not turn on


Hello,

Did you mean the Forerunner 205?
It is most likely that the battery has died in the unit or there may be a problem with the battery charger.
The internal battery in the Forerunner 205 is not user replaceable and the unit would need to go back to a Garmin repair for replacement.
Please call Garmin Tech Support for assistance.
1-800-800-1020

Feb 29, 2012 | Garmin Forerunner 205

1 Answer

My garmin forerunner 305 turns off automaticly after a couple of minutes, and the battery is fully charge.


Try SW reset. Hold Mode and lap/reset for 10 seconds, then release and long press start until device restarts.
Should clean up default.

If not try hard reset, but you'll loose all data in device.
hold mode and start for ten second, device needs to off before.
Then keeping these, pulse press lap/reset.
You'll get a confirmation screen

Oct 04, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

My forerunner 205 was charging just fine until I pressed the power button. The screen went blank and I cannot turn it on. Does this mean the battery needs to be replaced. If so, how does one go about...


Probably it is not due to the battery.

Your device is crashed. Perform soft reset :
press & hold mode plus lap/reset keys for 10 seconds, release then press start long enough until device starts.

Sep 26, 2010 | Garmin Forerunner 205 GPS Receiver

1 Answer

GPS unit won't charge when placed on cradle and plugged in wall


You may have to replace your battery, these go faulty often, even though they seem OK.

Feb 07, 2010 | Garmin Forerunner 305 GPS Receiver

1 Answer

Low volume on Forerunner 305


I found this on the internet. The sweat went thought the vents and eroded the speaker inside. If this is an older unit this may be what is causing you problems... See here.

Mar 10, 2009 | Garmin Forerunner 305 GPS Receiver

2 Answers

Garmin Forerunner battery replacement


It's not always the battery, I assumed it was and opend mine up to check it out but the battery was OK.
Problem was the unit wouldn't start without pressing mode + reset followed by the power button.

I lifted the internal watch contact strips to put a better connection between the two halves but that made no difference.
I found that I couldn't delete all the history and the watch had recently turned itself off on a run after giving a low battery warning => the history was corrupted and caused the watch grief.

The only way I found to delete the history was to load a v 2.80 (or earlier) version of the watch s/w (current 2.90 doesn't delete history and there is no tool to do it!)
Fortunately I had a copy of v2.80 but the old version is not now on the Garmin site (that I saw).
Moral of the story, don't run your battery low for two reasons, Li-ion batteries lose capacity if you run them below ~30% and also if the watch "low battery" turns off while recording it can corrupt the history and really upset the watch.

At least I now know how to open the watch and have found plenty of possible small mobile phone batteries that will fit (Samsung have a few possibilities). The ABSOLUTE max size of a replacement battery is 36mm H x 43 mm wide x 5.8 mm deep.
If you go 43 mm wide you have to trim a couple of internal plastic ridges in the case.

Good luck and try starting after pressing mode + reset if it won't fire up then try and delete all the history.
Also DON'T run the battery low if you want it to last, Li-ion work opposite to NiCad and NiMH which should be fully discharged before recharge. You try and keep them above 50%.

Steve

Sep 20, 2008 | Garmin Forerunner 305 GPS Receiver

1 Answer

Pulse meter died on forerunner 305


You may need to re pair the unit with the heart rate monitor. Settings/ General/ Accessories/ Heat rate monitor. RESTART SCAN. OR follow this link (Hope it works) https://buy.garmin.com/shop/store/manual.jsp?product=010-00467-00&cID=142&pID=349 Go here and click on owners manual. Go to page 46. Adding accessories.

Jun 15, 2008 | Garmin Forerunner 305 GPS Receiver

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