Fairly simple setup.
60amp breaker, THHN #6 Red -> L1 on the HPWC
60 amp breaker, THHN #6 Black -> L2 on the HPWC
<house groujnd> , copper bare -> copper ground on HPWC
Flip on the breaker, no LED (yes the ribbon is connected) no red, no yellow, no green, nothing.
Volt meter shows 120 between...