What it means
FPGA hardware fault - switching power supply undervoltage
Cause: Switching power supply undervoltage.
How to fix it
- Reset to restart.
- Check whether the contactor of the high-voltage box has been disconnected.
Source: FLS-ES232LC-S.pdf
FPGA hardware fault - switching power supply undervoltage
Warning — a protection warning — the ESS unit keeps running, but deal with the cause before it escalates.
FPGA hardware fault - switching power supply undervoltage
Cause: Switching power supply undervoltage.
Source: FLS-ES232LC-S.pdf
Prefer the full written guide? Read the complete Felicity inverter error-code guide
Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.