Custom switch is passing 'checked' value even though it is not selected

I have checkbox controls passing the “checked value” even though they are un-selected.

Here’s the control code:

Capture1.PNG807×131 6.3 KB

Here’s the line to display the value:
<p>Value of switch 1 = {{input1.value}}</p>

Here’s what I get on the live site:

The value does not change in either state of the control. Any idea what may cause this? (Using Wappler 1.9.2)