Speed fan incorrectly sets their state after power on

a005 commented 2 years ago

The problem

In some cases action "fan.toggle" incorrect sets the fan speed.

Just after flashing firmware or reset the device the action "fan.toggle" sets fan state to "on" and fan speed to >0 (correct).
After power on/off cycle the action "fan.toggle" sets fan state to "on" and fan speed to 0 (incorrect).

Which version of ESPHome has the issue?

2021.12.1

What type of installation are you using?

Docker

Which version of Home Assistant has the issue?

2021.12.3

What platform are you using?

ESP8266

Board

nodemcuv2

Component causing the issue

Speed Fan

Example YAML snippet

esphome:
  name: test_fan
  platform: ESP8266
  board: nodemcuv2

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

### Enable logging ###
logger:
### Enable Home Assistant API ###
api:

fan:
  - platform: speed
    id: speed_fan
    output: fan_output_value
    name: "2 Speed Fan"
    speed_count: 2
    on_turn_on:
    - logger.log: "Fan Turned On"
    on_speed_set:
    - logger.log: "Fan Speed was changed"
    on_turn_off:
    - logger.log: "Fan Turned Off"

binary_sensor:
  - platform: gpio
    name: "Power toggle button"
    internal: true
    pin:
      number: GPIO10
      mode: INPUT_PULLUP
      inverted: True
    on_press:
      - fan.toggle: speed_fan

#relay outputs for 2-speed fan motor 
switch:
  - platform: gpio
    id: relay1
    pin: D6
    restore_mode: ALWAYS_OFF
    #only one should be on
    interlock: &interlock_group [relay1, relay2]
  - platform: gpio
    id: relay2
    pin: D8
    restore_mode: ALWAYS_OFF
    interlock: *interlock_group

output:
# 2-speed fan output_value    
  - platform: template
    id: fan_output_value
    type: float
    write_action:
      - if:
          condition:
            lambda: return ((state == 0));
          then:
            - switch.turn_off: relay1
            - switch.turn_off: relay2
            - logger.log: "fan_output_value: 0"
      - if:
          condition:
            lambda: return ((state > 0) && (state <= .5));
          then:
            - switch.turn_on: relay1
            - switch.turn_off: relay2
            - logger.log: "fan_output_value: <=.5"
      - if:
          condition:
            lambda: return ((state > .5));
          then:
            - switch.turn_off: relay1
            - switch.turn_on: relay2
            - logger.log: "fan_output_value: >.50"

Anything in the logs that might be useful for us?

Toggle button pressed after power on :

[D][binary_sensor:036]: 'Power toggle button': Sending state ON
[D][main:187]: Fan Turned On
[D][main:199]: Fan Speed was changed
[D][speed.fan:035]: Setting speed: 0.00
[D][switch:017]: 'relay1' Turning OFF.
[D][switch:017]: 'relay2' Turning OFF.
[D][main:151]: fan_output_value: 0

Toggle button pressed after reset device :

[D][binary_sensor:036]: 'Power toggle button': Sending state ON
[D][main:187]: Fan Turned On
[D][main:199]: Fan Speed was changed
[D][speed.fan:035]: Setting speed: 0.50
[D][switch:013]: 'relay1' Turning ON.
[D][switch:037]: 'relay1': Sending state ON
[D][switch:017]: 'relay2' Turning OFF.
[D][main:158]: fan_output_value: <=.5