Bornriding and shophound read my mind and robo filled in any voids. Other than their reasons I have seen a few compressors fail due to improper 3phase power. For no apparent reason a comp failed and the voltaged were something like 221/222/174 we made a big fiasco and the electricians came in to swap some loads around and do a reassesment.
“Engineers like to solve problems. If there are no problems handily available, they will create their own." Scott Adams
"We can't solve problems by using the same kind of thinking we used when we created them."