Icon_template is not working!

1

Hi everyone,

somehow it doesn’t work for me?
What am I doing wrong?
Thanks.

- platform: template
  sensors: 
    luxtronik_id_web_wp_bz_akt:   
      value_template: >-
        {%- if is_state("luxtronik.id_web_wp_bz_akt", "heating") %}
          Heizen
        {%- elif is_state("luxtronik.id_web_wp_bz_akt", "hot water") %}
          Warmwasser
        {%- elif is_state("luxtronik.id_web_wp_bz_akt", "evu") %}
          EVU Sperre
        {%- elif is_state("luxtronik.id_web_wp_bz_akt", "defrost") %}
          Abtauen
        {% else %}
          Keine Anforderung
        {%- endif %} 
      icon_template: >-
        {%- if is_state("luxtronik.id_web_wp_bz_akt", "heating") %}
          mdi:radiator
        {%- elif is_state("luxtronik.id_web_wp_bz_akt", "hot water") %}
          mdi:water-pump
        {%- elif is_state("luxtronik.id_web_wp_bz_akt", "evu") %}
          mdi:power-plug-off
        {%- elif is_state("luxtronik.id_web_wp_bz_akt", "defrost") %}
          mdi:car-defrost-rear
        {% else %}
          mdi:sleep
        {%- endif %}

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