Critical
1 Devices that report this codePROT_INV_REVERSE_POLARITY_GND
Reverse Polarity Ground Fault.
PROT_INV_REVERSE_POLARITY_GNDReverse Polarity Ground Fault.Critical
Description
Reverse polarity / ground fault detected on the inverter interface.
Cause
Battery (+) and (-) cables connected with reversed polarity to the inverter, or ground fault.
Recommended fix
Power off and verify polarity of DC cabling between battery and inverter; correct wiring before re-energising.
Source:
LUX-X-96050HG01-Lithium-Battery-User-Guide.pdf · page 7Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.