Zigbee can suffer from 2.4GHz interference (by f.i. wifi 2.4GHz, microwave ovens).
I’d first check if both zigbee & wifi 2.4GHz don’t interfere, by checking and adjusting their used channels if needed;
Here’s a comprehensive troubleshooting guide:
https://community.homey.app/t/advanced-zigbee-troubleshooting-on-homey/115930
