Originally Posted by
GLCarlson
20A at 220 is more than enough for 1 1/2 hp.... true 1 1/2 (not the "compressor rated" or "peak hp" nonsense) should be around 7-7.5A or so if the motor and conversion to 3 phase are reasonably efficient. My 5 hp compressor motor is 85% efficient, and goes about 4.4A/hp on 220.
To answer the question, though: no, never had power issues or problems like those listed.
Ultimately, I think the real answer is that the 1100 is a decade old design; if there was a major flaw of the sort imagined, it would be well known by now.