Hi, and welcome to the HE community forum!
This is a known 'effect' for some of the Tuya switches, when used with the HE stock drivers. Some Tuya devices require specific initialization in order to be unlocked to work with hubs different than Tuya ones.
You can use the Zemismart ZigBee Wall Switch Multi-Gang community driver to control the individual buttons (switches). Please note, that simply changing the driver is not enough - you must pair the device once again to the hub, with the custom Tuya driver already assigned.
