Don't replace your battery yet; learn how to resolve this common communication breakdown.
It is a communication failure between your Roomba's battery management system and the main logic board.
Firmware updates can cause power spikes that lead the system to misinterpret normal voltage as faults.
Disconnecting the battery for 60 seconds flushes volatile memory and resets the stored error flag.
After a reset, let your Roomba charge for 14 hours to fully calibrate the internal sensors.
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