okay..
so I ran the 60sec test as you mentioned -
at the end all 4 LED's flashed together (approx every sec)
After this P3 Flashed brightly with P1,2,4 solid but faint
Then P1,P2 flashed brightly with P3,4 solid but faint..
Then P1,4 on their own flashing brightly.
What does...