Red LED Why?

I have the I.O repeater app running on two Wixels. One has the Red Led on even though Config utility says app is running? Any ideas why?

The LED behavior on the Wixel is dependent on the program it is uploaded with. The red indicator LED behavior for the I/O Repeater App (with default settings) is described in the “I/O Repeater App” section of the Wixel user’s guide as:

Do you have anything connected to the P0_0 line on either Wixel? If not, could you check the voltage of that pin on both Wixels?