PROT-INV-GROUND-FAULTFault

Felicity battery error PROT-INV-GROUND-FAULT

Ground Fault protection

Faultthe battery enters fault protection and stops normal operation until the fault is cleared — how it is shown (LED pattern or display code) depends on the model.

LPBA48100-OL

BatteryFault

What it means

Ground Fault protectionListed under 7.1 Battery System Features as part of the inverter-interface protection set: detects/protects against ground faults at the battery-inverter interface.

Cause: Leakage current to ground was detected at the battery-inverter interface — damaged cable insulation or a wiring fault allowing current to flow to earth.

How to fix it

  1. Power down the inverter, wait 5 minutes for capacitors to discharge, then restart.
  2. If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

Source: felicity-5.1-kwh-user-manual.pdf, p.4

Frequently asked questions

What does error PROT-INV-GROUND-FAULT mean on a Felicity battery?
PROT-INV-GROUND-FAULT means: Ground Fault protection. Leakage current to ground was detected at the battery-inverter interface — damaged cable insulation or a wiring fault allowing current to flow to earth.
Is error PROT-INV-GROUND-FAULT a fault or a warning?
PROT-INV-GROUND-FAULT is a fault code: the battery enters protection and stops normal operation until it is cleared.
How do I clear or fix error PROT-INV-GROUND-FAULT?
Power down the inverter, wait 5 minutes for capacitors to discharge, then restart. If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

Related error codes

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.