How do I clear or fix error 82?

1. Restart the system 2~3 times; 2.

Felicity inverter error 82

NTC open circuit

Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.

InverterFault

Also applies to:IVGM6KL-P1G1IVGM7K6L-P1G1IVGM8KL-P1G1

NTC open circuit — NTC temperature sensor open circuit.

Cause: An internal NTC temperature sensor reads open circuit, so the inverter has lost a temperature measurement it needs for thermal protection.

Source: Felicitysolar IVGM Series Hybrid inverter Instruction Manual.pdf, p.55

What does error 82 mean on a Felicity inverter?: 82 means: NTC open circuit. An internal NTC temperature sensor reads open circuit, so the inverter has lost a temperature measurement it needs for thermal protection.
Is error 82 a fault or a warning?: 82 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
How do I clear or fix error 82?: 1. Restart the system 2~3 times; 2.

Compiled from official Felicity user manuals. Always consult your device manual and a qualified technician before performing repairs.