arislaf Posted May 1, 2014 Share Posted May 1, 2014 Hi! My model knob on my 300 is running crazy, changing models on it's own. What to do? Quote Link to comment Share on other sites More sharing options...
amx05462 Posted May 1, 2014 Share Posted May 1, 2014 most likely the coffin case problem or something in there like a hair shorting the board. Quote Link to comment Share on other sites More sharing options...
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