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Battery charged but inverter reads BP (no batt)

Brian Joseph
in Batteries

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My 4200w solar inverter says BP (battery not connected) even though everything is hooked up and fully charged. It was working fine last week but then we had a full day power out and now the inverter doesn't read the battery.

- batt is charged to 26v

- battery cable has 26v before hooking up to inverter

- inverter terminals read 0vdc before hooking up live battery wire

- inverter terminal still reads 0vdc after hooking up battery wire

Did some surge blow out my DC circuit? How can I troubleshoot or confirm that my DC circuit is working properly?

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