bluetooth keeps disconnecting with heart rate sensor

[ourobos]

Hi,
I recently bought one of the Bluetooth LE Heart Rate Sensor. It is a brand called "MEDISANA" that you can get in Germans market Lidl.
I tried to pair it in several sports applications like Endomondo, Adidas Micoach etc and they all fails. In Endomondo sensor is keep connecting and disconnecting....
I've also tried to pair same sensor on my mate Z2 running KitKat 4.4.4 but end up with same results.
Yesterday I loaded official Lollipop 5.0.2 to my Z3C but nothing change to my surprise....
The funny thing is that same Heart Rate Sensors works fine on my wife cheep Nokia Lumia 520 and also on one of my colleagues android 4.4.2 (dont remember the brand).
So it looks like the issue is only related to Sony's mobile.
Does anyone has faced same kind of issues with BTLE sensors?

[thijs1]

I've the exact samen issues and the heart rate monitor did work on my Xperia Z. It seems to occur specifically on the z3 compact...

[thijs1]

And I read that polar has similar issues with connecting to the z3 compact.

[Strojny]

I've got the same problem as described above. I've got SIGMA R1 HRM with Bluetooth Smart and can achieve a connection with other smartphones but not with Xperia Z3 Compact. Every other smartphone ask for code for HRM, which is 00000000 in this case. Xperia doesn't even try to ask - it only shows the message it can't connect with the device. Other Bluetooth connections (not smart) work fine, so I suspect Z3 Compact has something wrong with Bluetooth Smart driver. Does SONY plan to do anything with that?