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SOK no longer communicating with Victron cerbo?

justinm001

Solar Addict
Joined
Dec 18, 2022
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Everything's been working great but 2 days ago randomly the BMS lost comms. Tried swapping the cable to other battery and switched thst to master. Tested the cable and shows good. Swapped ports on the cerbo with the terminator and still issue.

Plugged in battery to pc and loaded soktools2023 and didn't see any issues.

Not sure what else to try.
 
Did your Cerbo update?
No, even rolled back and same issue. I tried everything but switched it from A to can port and it worked. It did change from Pylontech to SOK which is odd. But at least it's working

Even bought a new cerbo and same issue. Idk if batteries changed bms type somehow or what
 
Do you happen to have Solar Assistant lying around, could you potentially confirm it can communicate with the battery, and then that might rule out the battery or cable as the source of the issue?

 

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