Warning Description/Solution - Monitored temperature exceeds a certain value. Main screen displays the warning icon and warning interface displays the warning information; inverter keeps running. Solution is the same with the previous one.
Troubleshooting:
1. Check if the NTC resistance is normal
2. Check if the air inlets on the top and bottom are unblocked
3. Check if the dust proof cotton on the air inlets need to be replaced
4. Check temperature detection PCB board