Our pallet jack started throwing codes E150, C50 and E221, I checked the CAN harness and replaced the contactor tips but that didn't help. Its a 2014 model 8410. When the code pops up the jack does one of 2 things, it immediately stops and the brake engages (**** near throwing the operator off) or the whole thing shuts down and coasts to a stop. Both of which are very dangerous and led me to tag out the truck.
Any help is appreciated and thank you in advance.
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