Direto working with Zwift

[tjsmith1968]

HI, Has / is anyone else having issues with the resistance on their elite direto not working with zwift, every time I try to ride on the flat have high cadence in low gear and only showing low watts, when going up hill their is no or very little resistance and watts stay low. when starting up the trainer is paired and showing strong Bluetooth signal. this has only happened after a short break from using the trainer. any help / advice greatly appreciated
Regards
Tony