Devices unreachable - Zigbee Channel 0 - Conbee II defect?

General
1

Hi my Conbee II Stick was working fine for month on my Raspberry Pi 4b.
Now my Aquara Sensors are not reachable anymore.
Zigbee Channel in Phoscon is showing 0
Zigbee Network id is unknown.

deconz and firemware are the newest and phoscon is also working.
but i cannot reset the gateway or change the channel.

i already reinstalled deconz on my pi. systemctl status shows no errors at all.

what could i do?

2

There’s a bug in Debian currently, might apply to you situation as well.

3

thank you so much!
i can confirm i had this bug too.

here my fix:
i created a new file to override the deconz.service to prevent it from being overwritten after future updates:
/etc/systemd/system/deconz.service.d/override.conf

[Service]
ExecStart=
ExecStart=/usr/bin/deCONZ -platform minimal --http-port=80 --dev=/dev/ttyACM0

now my sensors are working again!

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