How to deal with the inverter overheating fault alarm

1. Check and confirm

Confirm whether the inverter is really overheated: First, confirm whether the inverter is really overheated by touching the inverter casing or using an infrared thermometer. Sometimes, the alarm may be caused by a false alarm or a sensor failure.

Check the ambient temperature: Check whether the ambient temperature around the inverter is too high. The inverter usually needs to operate within a certain temperature range, and too high an ambient temperature will affect its heat dissipation effect.

2. Cooling system inspection and maintenance

Check the cooling fan: The cooling fan is a key component for inverter heat dissipation. Check whether the fan is operating normally and whether it is blocked or damaged. If the fan does not turn or the speed is too slow, it should be cleaned or replaced in time.

Clean the heat sink: The heat sink is another important part of the inverter heat dissipation. Clean the dust and debris on the heat sink regularly to ensure that the surface of the heat sink is clean and unblocked.

Check the air duct: Make sure that the air duct of the inverter is unobstructed and free of foreign matter. A blocked air duct will cause the heat to not be dissipated in time and will also cause an overheating alarm.

3. Load and operation inspection

Check the load: Overload of the inverter can also cause overheating. Check whether the inverter is overloaded. If the load is too large, the load should be reduced appropriately or replaced with a higher power inverter.

Check the operating status: Observe the operating status of the inverter and check whether there are abnormal vibrations, noises, etc. These phenomena may be signs of damage to internal components or poor contact.

4. Other measures

Install heat dissipation equipment: When the ambient temperature is high or the inverter heat dissipation conditions are poor, you can consider installing heat dissipation equipment such as fans and air conditioners to improve the heat dissipation effect.

Adjust the installation position: If the installation position of the inverter is not conducive to heat dissipation (such as close to the heat source, poor ventilation, etc.), consider adjusting its installation position to a place that is more conducive to heat dissipation.

Regular maintenance: Regularly maintain the inverter, including cleaning, tightening screws, checking electrical connections, etc., to ensure its normal operation and extend its service life.

Through the above measures, the inverter alarm overheating fault can be effectively handled and similar faults can be prevented.