kicker sx650.1 "service"

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Hey guys..

I tried diagnosing my amp but have had no luck. Was originally in the trunk of my car working fine, got loose from its bolted down state so was flying around in the trunk hitting things which probably caused the failure. Amp powers on, turns off, can hear the fan coming on, then flashes "service" on the screen.

Replaced 1x irf640 MOSFET. Everything else looks fine. Don't see any blown capacitors, transistors etc

Do I need to "reset" this some how? does anyone also have any pictures of their amp open?

Any help would be great
thanks
 
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