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TOPIC: my polar hrm not working :(

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November 8, 2012 7:00 PM
Anyone have any trouble with the Polar F4? Only had it about 6 months and now it's not working. Keeps telling me to check transmitter. I have washed the strap twice now and still won't work, surely not needing new batterys already?

Anyone anyone?
November 11, 2012 6:54 PM
anyone anyone?
November 11, 2012 6:59 PM
Ahh, I don't know! I just got one today.

I hope this doesn't happen.

Have you checked their website for this kind of thing?
November 11, 2012 6:59 PM
Make sure the strap is tight enough. Maybe rinse the electrodes on the strap with distilled water.
November 11, 2012 6:59 PM
Check to make sure the transmitter is snapped onto the strap well. Sometimes the snaps can get corroded stuff in them and connection can get sketchy. Try cleaning the snaps with alcohol and qtip on strap and transmitter.
November 11, 2012 6:59 PM
I have a FT7 & it does that if the transmitter isn't flat against my chest or if the strap isn't wet enough. Good luck.
November 11, 2012 7:00 PM
I bet its the batteries,

O, and also if the strap is on TOO tight it will do that.
Edited by SPNLuver83 On November 11, 2012 7:01 PM
November 11, 2012 7:02 PM
I've had a couple of different Polar HRM's and usually if it wasn't working, it was either the strap battery or the watch/computer battery. I haven't had your exact model, though.

Six months sounds short for battery life to me. The computer battery on my bike computer usually lasted a year (or even two); seems like the strap batteries didn't last as long - and that was using it two to three times a week at most. More frequent use will, of course, reduce battery life.

I'd try replacing the strap battery if you haven't already. If your strap is the kind with the transmitter module that snaps and unsnaps, make sure it's oriented correctly on the chest strap (mine only goes one way, though I think if one were to try hard enough, it could be forced the wrong way).
November 11, 2012 7:02 PM
check the batteries I had to change mine at 6 months, you should be able to buy them fairly cheap
November 11, 2012 7:07 PM
That happened to my FT7. Tried everything, couldn't fix it. I've given up on using a heart rate monitor, which hasn't made a difference in my results since I used it long enough to get a good idea of what I burn.
November 11, 2012 7:07 PM
Great thanks will try to tighten tonight and if not then will try and replace batteries. I though the battery would last longer than 6 months as only use it 2-3 times per week.

It's hard to go back to working out without it.
November 11, 2012 7:11 PM
I've had an FT4 for over a year and it's recently been doing that to me too. I usually just adjust the strap because it isn't lying flat on my skin and it's fine.
November 11, 2012 7:16 PM
I don't have the same HRM, but I do have a polar. At the 6 month mark mine did the same thing. Never thinking I needed new batteries. When I finally decided to just change the batteries as a cheap fix ... guess what it was the batteries. Or it could have been one, but I didn't bother to change just one.
November 11, 2012 7:27 PM
Sometimes my HRM registers my pulse intermittently, I discovered that making the contacts damp gives it better connection with the skin.
November 11, 2012 7:46 PM

Sometimes my HRM registers my pulse intermittently, I discovered that making the contacts damp gives it better connection with the skin.

You're supposed to make the contacts damp.
November 12, 2012 12:10 AM
When you store your strap away you are supposed to unsnap the controlller bit and store that and the strap separate. Otherwise the batter y drains quicker. Thats what happened to mine anyway (didn't read the instructions doh!)
November 12, 2012 12:19 AM
I have no advice, I was just curious. Would investing in one be worth it?
November 12, 2012 12:20 AM
I've had this a couple of times. Clean the electrodes and strap. Separate and clean the transmitter and strap when not in use as it drains the battery. Wet the strap and electrodes before use. Make sure it is snug but not too tight and flat against your chest and not moved around by your sports bra. If it is still playing up, change the battery in the transmitter; it might seem like it has a short life, but if you are using it a lot, it will discharge!
November 12, 2012 12:35 AM
It doesn't last forever. It will wear out after a while. According to Polar, 1-2 years if you take good care of it. I had issues with my 1st strap. I was a moron and when I washed it in the machine one time. I placed it in a load with bleach and it stopped working. I've been careful since. The battery is another potential problem. I got erratic readings after nearly 2 years with my Polar FT40. I replaced the battery and it went away. In that case though, it actually told me the battery was low.
November 12, 2012 12:40 AM
Yep, mine was the same after about 8 months, sent it back to Polar, who 'fixed it' worked for a week then did the same thing again. I sent it back to Polar who 'fixed it' again and sent me a new strap, it doesn't work. I've also seen other friends have the same experience so Polar isn't all that it's hyped up to be. I'm very disappointed and now back to guesstimating calories burnt via mfp.
November 12, 2012 12:43 AM
Mine started doing that about 1 month after getting my FT4.... washed every day, air dried & brand new. Would sit perfectly on me.... yet would CONSTANTLY do it.... right in the middle of a workout. Would take me 30 mins to get it working again.

So I got a FT60.....1 month later it started doing it as well.... washed daily, air dried & sits flat against me. It can mare me as dead for up to 10 mins.... that's annoying as **** when you are running & have to stop & actually PAUSE it to get it working again.

So nothing to do with battery, it only gets used 1 hr a day & after 30 days I'd be surprised if the battery was dead.

I'd rather not have one at all with the way it plays up. Next one I'm getting will NOT be a Polar.
November 12, 2012 12:48 AM
I have ft4. You need to rinse the electrodes well in plain water after every use and hang to dry. No soap or fabric conditioner. Also, my old strap only lasted two years. It was one where the electrodes are fabric and you had to dampen them before use. They eventually began to fray and stopped working. Bought new strap not transmitter, this one has rubbery electrodes not fabric and a fabric strap. You don't have to wet it before use. Works a treat. My batteries lasted over a year in both watch and transmitter.
I think sweat build up can affect the connection, all that salt, so do rinse it well.
November 12, 2012 4:07 AM
I'm on my fourth one, they all stopped working at 3-6 months. They keep giving me new ones because they are under warranty. If I have said it once, I've said it a million times, there is some sort of defect with the straps...
November 12, 2012 4:26 AM

When you store your strap away you are supposed to unsnap the controlller bit and store that and the strap separate. Otherwise the batter y drains quicker. Thats what happened to mine anyway (didn't read the instructions doh!)

Me too.laugh I just unplug one side and spin it around. I don't have to look for it in my gym bag that way. (Lazy mode) I also bought the new Soft strap, way better than the original, I don't have to wet it to get it to work.
November 12, 2012 4:31 AM
I can't imagine that the batteries need replacing already, but, you might try replacing them and see if that helps. I stopped using my Polar F6 because it didn't seem to be recording correctly. I could do Zumba for an hour and my HRM would show maybe 150 calories burned. I don't think that is right.

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