The Wheel Plug Posted December 20, 2019 Share Posted December 20, 2019 I am helping a friend replace his 84v Nikola motherboard, but it doesnt seem to be functioning properly. The broken motherboard seems to be the 1600wh version, but the new one the supplier sent him as a replacement seems to be the 2100wh version. Is there a reason the motherboard is different for the different battery sizes even though the battery voltage is the same? is there a way we can get his new motherboard to work with his 1600wh wheel? This is the new motherboard he was sent This is what his old board looked like.. Quote Link to comment Share on other sites More sharing options...
Planemo Posted December 20, 2019 Share Posted December 20, 2019 Your new motherboard looks exactly the same as what came in my 84v 1859Wh (1600Wh with an extra 259Wh pack). Have you tried it yet? I think it will be fine. I notice yours also says '84v' on it if I am not mistaken. GW have definitely changed some of the layout on the newer boards/wheels. The Bluetooth module being the obvious one. Quote Link to comment Share on other sites More sharing options...
Arbolest Posted December 20, 2019 Share Posted December 20, 2019 It kind of looks like one is meant to be mounted in the top slot (under the handle) and one is meant to be mounted in the side slot. Quote Link to comment Share on other sites More sharing options...
Planemo Posted December 20, 2019 Share Posted December 20, 2019 Sorry, yes good point. I was thinking MSX. That said, his new board PCB does look exactly the same as mine if you disregard any of the heatsink part. It may be the same as my MSX but I have never removed the board to see. Quote Link to comment Share on other sites More sharing options...
mrelwood Posted December 20, 2019 Share Posted December 20, 2019 (edited) 2 hours ago, Arbolest said: It kind of looks like one is meant to be mounted in the top slot (under the handle) and one is meant to be mounted in the side slot. If this is the case, the gyro sensors dictate that the board must be installed in the correct orientation. And since there should be a through hole in the shell for cooling the thermal plate to the wheel well, installing the wrong one in it’s correct place would require a lot of work. I’m afraid the OP’s friend should ask and wait for the correct board. Edited December 20, 2019 by mrelwood 2 Quote Link to comment Share on other sites More sharing options...
Arbolest Posted December 20, 2019 Share Posted December 20, 2019 48 minutes ago, mrelwood said: I’m afraid the OP’s friend should ask and wait for the correct board. *nod nod Quote Link to comment Share on other sites More sharing options...
Popular Post Marty Backe Posted December 20, 2019 Popular Post Share Posted December 20, 2019 12 hours ago, The Wheel Plug said: I am helping a friend replace his 84v Nikola motherboard, but it doesnt seem to be functioning properly. The broken motherboard seems to be the 1600wh version, but the new one the supplier sent him as a replacement seems to be the 2100wh version. Is there a reason the motherboard is different for the different battery sizes even though the battery voltage is the same? is there a way we can get his new motherboard to work with his 1600wh wheel? This is the new motherboard he was sent This is what his old board looked like.. This was resolved via Facebook - incompatible firmware due to the installed orientation of the control board. 4 Quote Link to comment Share on other sites More sharing options...
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