Making sure a switch is on

Configuration
1

After a powercut my Wemo devices remain off - which is annoying

Does anyone know a way/automation to makesure it is kept on

- id: Make sure Billion is on
  alias: Make sure Billion is on
  trigger:
    platform: state
    entity_id: switch.billioninternet
    to: 'off'
    for:
      minutes: 5
  action:
    service: homeassistant.turn_on
    entity_id: switch.billioninternet
2

If you always want it to be on, then why are you using a switch? :stuck_out_tongue_winking_eye:

But seriously, if you always want the switch to be turned on when HA starts, then:

- id: Make sure Billion is on
  alias: Make sure Billion is on
  trigger:
    platform: homeassistant
    event: start
  action:
    service: homeassistant.turn_on
    entity_id: switch.billioninternet
3

Good question!

But there is a reason. I use the switch to hard reset the router if the internet goes down. So it’s like a local reboot after all other internet repair attempts fail.

Only issue is after a power cut the switch is off.

Is there a way to detect if the switch is off for a period of time and turn it on?

4

does the switch report its state to home assistant? That is, if you flip the switch on, does the GUI change to show it’s on? If so:

- id: Make sure Billion is on
  alias: Make sure Billion is on
  trigger:
    platform: state
    entity_id: switch.billioninternet
    state: "off"
    for:
      minutes: 5
  action:
    service: homeassistant.turn_on
    entity_id: switch.billioninternet

That will turn the switch on if it has been off for more than 5 min. It looks like you had it right the first place, does it not work?

5

Yes.

trigger:
  platform: state
  entity_id: switch.your_switch
  to: 'off'
  for: 
    seconds: 30
6

You are missing the entity_id in the state trigger.

7

ah yes… corrected

1 Like
8

Thanks @ha_steve however that results in an error

Configuration invalidCHECK CONFIG

Invalid config for [automation]: [state] is an invalid option for [automation]. Check: automation->trigger->0->state. (See ?, line ?). Please check the docs at https://home-assistant.io/components/automation/
9

Thanks @tom_l - but how is that different from what I posted

10

It’s not. It should work.

Also Steve’s answer has state: 'off' instead of to: 'off' in the trigger, this is incorrect and is causing the error you see.

1 Like
11

Thanks @tom_l and @pnbruckner

I think a combination of the following should work

- id: Make sure Billion is on
  alias: Make sure Billion is on
  trigger:
    platform: state
    entity_id: switch.billioninternet
    to: 'off'
    for:
      minutes: 5
  action:
    service: homeassistant.turn_on
    entity_id: switch.billioninternet
- id: Make sure Billion is on at HA Startup
  alias: Make sure Billion is on at HA Startup
  trigger:
    platform: homeassistant
    event: start
  action:
    service: homeassistant.turn_on
    entity_id: switch.billioninternet
12

sorry! Teaches me to respond in a hurry!

1 Like