My machine does not record my usage correctly. If I use it from say 9pm to 1am, I would expect the update to record four hours. It doesn't. The machine will stop recording the time, for some mysterious reason, and show like, 3 hours and 9 minutes. Why? I had the machine running, why does it stop? I ...

Helio. Has anyone had the problem of your machine not properly recording your usage? Also, do I have to stay in one position in order for this machine to record my time correctly? My machine rep doesn't know anything and when I ask my Dr she says the machine may be malfunctioning. I've already repla...