Ours seems fine - I've not seen this happen before, so can't help I'm afraid.
I hate to suggest it as they are a bit shit, but have you tried the tado forum?
I have been holding off the forums as there is still an ok workaround. I'll see what Tado say tomorrow. Just very weird.
@stevo_com started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Ours seems fine - I've not seen this happen before, so can't help I'm afraid.
I hate to suggest it as they are a bit shit, but have you tried the tado forum?