FAQ - How can I use a light domain for the “Fan Switch”
Sometimes depending on what you are using to control your fan HA show it as a light entity (light domain) and you are unable to enter it into the “Fan Switch” input.
Light domains will work in the “Fan Switch” input.
The step below will walk you through the process on how to enter in your light domain into the “Fan Switch” input.
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Copy your entity ID for your fan that has a light domain.
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Open up and automation using the blueprint. Enter in any switch, don’t worry we will change this in the next step.
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Click on the 3 dots top right and edit in YAML. We are looking for the fan switch entity ID as shown below. You will see the switch (entity) you entered in. Now just paste the fan light domain entity in replacing the switch entity and click save.
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Go back by clicking on the 3 dots top right and “Edit in visual editor”
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You should see your fan entity now selected. Fill out the rest of your automation settings and click save.
Your done 
You can still update the blueprint when one becomes available and all your settings will be okay.
Enjoy
Blacky 
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