M240B tech help

[BOA.Grizzly]

My 240 Bravo wont fire, I'm not a massively educated in the world of tech yet but I believe the piston has gone and the pcb has fried, was wondering if anyone has any suggestions, recommendations or parts that they know of, of how to fix it or ive been thinking of selling it on to someone else who might know. Will have to post pictures later as posting this while at work. Thank you if anyone has got any info

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