I bet you blew a fuse or blew some part of the electrical system. Not worth fixing IMO. Go get a gas mower, unless you're a tree hugger
. My Honda HR215 hit a metal screw-in stake for the dogs and it simply shredded it and tossed it into the bagger like it was nothing! Couple dings on the blade but no other damage to the mower. Gas mowers are better than electric mowers any day.