Burnt out electric motors are a common problem that can lead to expensive repairs and downtime. Understanding the causes of motor failure and taking daily preventive measures can significantly extend the life of your motor. There are many factors that can cause motor burnout, including mechanical issues, thermal relay issues, and phase loss. Here are some basic everyday precautions to help prevent motor burnout.

First, it is crucial to keep your motor clean. During operation, ensure that there is no dust, water stains or debris within a 3 meter radius of the air inlet. Contaminants can be drawn into the motor and form a short-circuiting medium, causing serious damage. Regularly inspect the area around the motor and clean as necessary to maintain a safe operating environment.
Another important precaution is to make sure the motor is running at its rated current. Overloading the motor can cause excessive heat build-up, which can lead to thermal relay issues and eventual burnout. Monitor current draw regularly and make adjustments as necessary to keep it within specified limits.
It is also important to observe the asynchronous motor for any signs of vibration, noise, or unusual smells. These symptoms may indicate an underlying mechanical problem that, if not addressed, could lead to motor failure. Conduct routine inspections to detect and correct any abnormalities promptly.
Finally, keep a close eye on the temperature of your motor. Overheating is a big factor in motor burnout, so monitoring the temperature can help you spot potential problems early. If the motor exceeds its normal operating temperature, take immediate action to identify the cause and correct the situation.
By following these daily precautions (keep your motor clean, make sure it's running at rated current, watch for signs of abnormalities, and monitor temperatures), you can significantly reduce the risk of ac motor burnout and increase the reliability of your equipment.