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Mark, how did you charge yours while disassembled? Most VDC power supplies are 30vdc max that i’ve Seen.

Well, pulled the upper board and checked the two contractors that allow batt to connect to the bus (high voltage connector to the bike) and they both actuate and make a .75ohm contact with as low as 9VDC and the x1/x2 coils both read a solid 75ohms. Obviously there must be a regulator/rectifier...

Ok, so replaced the 9v batt in the ACM with a new energizer lithium and no joy. Same error code. Pulled the main battery baaaack out and opened her up. The total pack voltage is only 179vdc when measured at the main bus connections. Pulled 1 of the 4 cell-packs out and it measured about 45vdc...

Understood, I see they used some non hardening sealant on the case covers of the battery. I just pulled the 9V out and it tests 9.3vdc but when I load it with a bulb for just seconds it takes about a min to rise above 9v again. It’s date stamp is 0116 which I assume is Jan 2016 (weird as bike is...

Great video! I’ll try that now! Thanks so much!

18 EX model, sat for couple months with a completely dead batt (I know this is a big no-no for any lithium battery) and now this message and bike will not take a charge. Have removed the battery and plan to disassemble to see if it can be charged at the pack level then reassemble to see if it...