ok sounds like you need to do a window reset. The G had a similar problem. you reset the window by holding down on the button for 15 sec and then up for 15 sec. it was something like that. But read the manual it is in there I know.
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Originally Posted by SAM@GTM
Engine detonation is not normal and it should never never happen, and whoever told that need to do something else for living .
Sam
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