Generic Thermostat & Hama 00176593 & Zigbee2Mqtt do not work - need help!

I have several Thermostatic radiator Hama 00176593 Thermostat in use and integrated them with Zigbee2Mqtt.

Status display works, but MQTT messages are only published if I change settings in the dashboard or set the temperature with script

init_climate_thermostat:
  alias: Heizungsthermostate einstellen
  sequence:
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-bad/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_bad') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-office/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_office') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-wc/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_wc') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-wohnzimmer1/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_wohnzimmer1') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-wohnzimmer2/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_wohnzimmer2') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-kitchen/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_kitchen') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-kindenzimmer1/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_kindenzimmer1') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-kinderzimmer2/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_kindenzimmer2') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-schlafzimmer/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_schlafzimmer') | float }}"
    - service: mqtt.publish
      data_template:
        topic: conbee2mqtt/thermostat-fitnessraum/set/current_heating_setpoint
        payload_template: "{{ states('input_number.thermostat_fitnessraum') | float }}"

The control takes place via Lovelace thermostat. Inital, when I restart home assistant, then the temperature is set for all thermostats via the script.

- platform: "mqtt"
  name: Thermostat Bad
  temperature_unit: "C"
  initial: 25.00
  temp_step: 0.5
  min_temp: "5"
  max_temp: "30"
  json_attributes_topic: conbee2mqtt/thermostat-bad
  temperature_command_topic: "conbee2mqtt/thermostat-bad/set/current_heating_setpoint"
  availability_topic: "conbee2mqtt/bridge/state"
  current_temperature_topic: "conbee2mqtt/thermostat-bad"
  current_temperature_template: "{{ value_json.local_temperature }}"
  temperature_state_topic: "conbee2mqtt/thermostat-bad"
  temperature_state_template: "{{ value_json.current_heating_setpoint }}"
  mode_state_topic: "conbee2mqtt/thermostat-bad"
  mode_state_template: "{{ value_json.system_mode }}"
  mode_command_topic: "conbee2mqtt/thermostat-bad/set/system_mode"
  modes:
    - "off"
    - "heat"
    - "auto"
  action_topic: "conbee2mqtt/thermostat-bad/set/system_mode"
  action_template: "{% set values = {'idle':'off','heat':'heating','auto':'auto'} %}{{ values[value_json.running_state] }}"
  away_mode_command_topic: "conbee2mqtt/thermostat-bad/set/value_json.away_mode"
  away_mode_state_topic: "conbee2mqtt/thermostat-bad"
  away_mode_state_template: "{{ value_json.away_mode }}"
  payload_on: "true"
  payload_off: "false"
  retain: true

After a certainTime, however, this is always reset to 16 degrees.

Bildschirmfoto 2021-10-17 um 08.26.20967×651 47.5 KB

Zigbee2Mqtt:

Zigbee2MQTT Version
1.21.2-dev commit: 839e2801
Coordinator Typ:  ConBee2/RaspBee2
Coordinator Version:  0x26660700
Frontend Version: 0.6.12

Bildschirmfoto 2021-10-17 um 08.39.30811×697 44.2 KB

Homassistant:

System Health

Does anyone know any solution to this problem?
Is it due to the Zigbee2MQTT or the Homeassistant configuration?

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