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Battery drain problem when HR sensor turn on

Hi,

I have a problem with my Garmin Forerunner 235. When I set the HR sensor to Auto mode my battery is drained from 100% to 0% in 20h... When I turn it off everything is ok, watch works on battery about 2 weeks. I have the latest firmware 7.90 and WHR 2.70.

Does anyone have a similar problem with this watch?

0 Tjneutral over 4 years ago

Ηι,

Same here..... The HRM is always on....

0 9645824 over 4 years ago in reply to Tjneutral

Do you have the battery drain problem also?

Garmin Support says that it isn't an issue because nobody has this problem...

0 Tjneutral over 4 years ago in reply to 9645824

Yeap always on. Green light always on. Drains the battery. Dealer says that is a common problem and cannot repaired.

0 9645824 over 4 years ago in reply to Tjneutral

ehhh...

I watched some videos on youtube and these LEDs are always on... Look at this:

https://youtu.be/nGUhsao9mPA?t=194

https://youtu.be/MT8NynoUU5Q?t=191

I will try to change the battery by myself (because I don't have the warranty anymore) and I will see... maybe it is a battery problem..

0 9645824 over 4 years ago in reply to 9645824

I changed the battery and still, I have a problem with battery drain... it is not a battery problem, unfortunately...

0 2038748 over 1 year ago in reply to 9645824

i have the problem now too, how did you solved it in the end??

0 9645824 over 1 year ago in reply to 2038748

Unfortunately, I had to buy a new watch... Thay one still has a battery problem...