Garmin GPSmap 64st keeps turning off

[Fin Ito]

Just bought a gpsmap 64st, (had a 62s for 5 years... worked fine, but wanted a upgrade)

The 64st keeps turning off.

And for a start it was "lost". I have used it for about three weeks, and thats has not been a problem.
I turned it off two days ago, just outside mine house, when i got out today it was blinking ???. when it get contact with satteltes (green scale), it was still lost, and said probelm with sattelites.

I did a reset, and then i was ok. But..... I had a bikeride for aprox 5 hrs, and it turned off about 6 times.

I have powersave/scrensva for after 30 sek. (had it also on my 62s with no problems)
I switched to fully chagred NiMH... turned of. Swithced t standrad batteries, turned off after a while.

Any tips? (sorry for my bad english)

 

[Nuvi-Nebie]

I think the unit is faulty, if it is still under warranty, I would ask for a replacement unit

 

[Fin Ito]

Thats the plan if i get no answers or tips on what to do.

 

[Fin Ito]

I got a new gps.... and the same problem with that one.... strange.... garmin is supposed to be the best.

 

[Liviticus]

Same thing with my garmin gpsmap 66st