Precor EFX 546i Elliptical Version 4 "546 replacing battery" Questions

...546 shuts off when I need to reverse direction during a workout also, the sliding is not smooth (very difficult to push the pedals on an easy level) Procedure 6.4 - Troubleshooting the Generator The ...

battery has been replaced but the keypad only lights up for a second when you start pedaling....it then continues to flash on and off....no error code given My Precor Elliptical EFX 546 Timer Stops ...