Heating Blueprint - State of switch without effect

Hello,

I try to use this blueprint for my house heating. This blueprint works partially because the state of entity_fenetre (binary_sensor) has no effect to variables puissance and i don’t understand why.

Thanks for your help.

blueprint:
  name: Thermostat TPI
  description: Thermostat TPI (Time Propertional & Integral)
  domain: automation

  input:
    coeff_c:
      name: Coefficient C
      description: coefficient multiplicateur de la différence entre la consigne et éa température intérieure pour le calcul de la puissance (0.6 conseillé)
      selector:
        number:
          min: 0.0
          max: 1.0
          step: 0.01
    coeff_t:
      name: Coefficient T
      description: coefficient multiplicateur de la différence entre la consigne et éa température extérieure pour le calcul de la puissance (0.01 conseillé)
      selector:
        number:
          min: 0.0
          max: 0.1
          step: 0.001
    entity_consigne:
      name: Consigne
      description: Champs d'entrée de la température de consigne (input number).
      selector:
        entity:
          domain: input_number
    entity_temp_ext:
      name: Température extérieure
      description: Sonde de mesure de la température extérieure (sensor)
      selector:
        entity:
          domain: sensor
          device_class: temperature
    entity_temp_int:
      name: Température intérieure
      description: Sonde de mesure de la température intérieure (sensor)
      selector:
        entity:
          domain: sensor
          device_class: temperature
    entity_fenetre:
      name: Fenètre
      description: Capteur d'ouverture de fenêtre (sensor)
      selector:
        entity:
          domain: binary_sensor
          device_class: opening
    entity_puissance:
      name: Puissance
      description: Champs d'affichage de la puissance (input_number)
      selector:
        entity:
          domain: input_number
    entity_chauffage:
      name: Chauffage
      description: Interrupteur marche / arrêt du chauffage (switch)
      selector:
        entity:
          domain: switch

# Récupération des paramètres
variables:
  coeff_c: !input coeff_c
  coeff_t: !input coeff_t
  entity_temp_int: !input entity_temp_int
  entity_temp_ext: !input entity_temp_ext
  entity_fenetre: !input entity_fenetre

trigger:
  - platform: time_pattern
    minutes: "/10"
  - platform: state
    entity_id: !input entity_consigne
#  - platform: state
#    entity_id: !input entity_temp_int
  - platform: state
    entity_id: !input entity_fenetre


action:
  - alias: récupération des données
    variables:
      entity_consigne: !input entity_consigne
      consigne: "{{states(entity_consigne)}}"
      temp_ext: '{{ states(entity_temp_ext) }}'
      temp_int: '{{ states(entity_temp_int) }}'
      fenetre: '{{states(entity_fenetre)}}'     
      puissance: >-
        {%set val = coeff_c * (consigne - temp_int) + coeff_t * (consigne -
        temp_ext) %}  {% if val > 1 %} {% set val = 100 %}  {% elif val < 0 or
        fenetre == 'on' %} {% set val = 0 %}  {% else %} {% set val = ( (val *
        100) | round(0)) %} {% endif %} {{val}}
      temps_chauffe: '{{ puissance * 6 }}'
  - alias: Met à jour l'indicateur de puissance
    service: input_number.set_value
    target:
      entity_id: !input entity_puissance
    data:
      value: '{{puissance}}'  
  - choose:
      - conditions:
          - condition: template
            value_template: '{{puissance == 0}}'
        sequence:
          - service: switch.turn_off
            target:
              entity_id: !input entity_chauffage
      - conditions:
          - condition: template
            value_template: '{{ puissance > 99}}'
        sequence:
          - service: switch.turn_on
            target:
              entity_id: !input entity_chauffage
    default:
      - service: switch.turn_on
        target:
          entity_id: !input entity_chauffage
      - delay: '{{temps_chauffe}}'
      - service: switch.turn_off
        target:
          entity_id: !input entity_chauffage
mode: restart