How do I unset the schedule in my TS0601 TRV?

Hi !

My TRVs have a schedule build in from the previous owner of my house. Since I’m now using HA to schedule my TRV I’d like to set to None the schedule embedded into them. But I can’t make any change to these settings (through the Device or by going into Zigbee2MQTT doesn’t change anything).
How can I proceed ?

Thanks !

Factory reset instructions for your specific TRV Model may be the thing to search for on the internetz.