From studying generic JTE-style manuals, these points appear repeatedly:
Crucial for electronic thermal overload calculations.
If you can tell me the exact model number (e.g., JT300S2, EB0015G3) and what error code you are seeing , I can give you more specific troubleshooting steps from the manual. JT330S2 Inverter User Manual | PDF - Scribd
The JTE inverter is designed for both single-phase and three-phase industrial applications, prioritizing safety and efficiency with the following core specs: Voltage Range 3PH AC380V : 323V to 484V (+10% / -15%). 1PH/3PH AC220V : 187V to 253V (±15%). DC Input (Solar Applications) Recommended MPPT Range