Unable to pair Schneider TRV

[Simonlebucheron]

I need help pairing Schneider radiator thermostat (wiser)

EER530000 is described to be compatible with "normal ha gateway".
I dit not succeed with the described pairing process (hold set button 5s) and many other try. Anyone succeed with this thermostat ?

Configuration:

• HA os 14.2
• z2m 2.0.0-2
• Sonoff Zigbee dongle-e
• z2m works well with my other cheap sensors or two new TRV from Schneider I have just received (WV704R0A0902)