Redstone circuit no longer works

Redstone circuit no longer works

*What I expected to happen was...:*
My redstone circuit should have worked by repeating a command

What actually happened was...:
It did not

Steps to Reproduce:
1. Create redstone circuit as in screenshot
2. It does not work

*SCREENSHOTS*
1. 16w41a Redstone circuit works
2. 16w42a Redstone circuit failure