4 ia40.1s

[Stone primeaux]

A friend of mine has 4 40.1s on 4 ab vfl 18 we was at scrapin the coast last weekend and he was in the lane to do his run and all 4 amps went in protect as some as he turned it up 2 of them came out but the other 2 stay in protect they were not strapped nothing is burnt and I wanted to see if anyone knew what is wrong before he sends them in btw the they are the 2nd gen 40.1s so no warranty thanks for any help

[REH]

You'd have better luck posting in the right section, this is for posting pictures of guts.