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I print PLA at around 220. Works great for me. Though I use primarily Maker Geeks...
I had a similar issue once, it turned out to be that the heater in the hot end had come loose and could slide out a little bit. Enough to let the head cool down just enough to catch. Then in the next few moves it would slide in again just enough to make the heat high enough to flow the plastic. Now I check the little set screws after every print.