Overheat protection

A function that safely shuts down a power device when it is placed in a ventless or sealed condition due to a fan failure or similar issue, causing the temperature to rise above its specified limit. Normally, the device is designed to shut down by detecting abnormal temperatures through an overheat protection circuit. However, if an overheat protection circuit cannot be installed, the device should be designed to fail safely without causing negative effects such as smoke or fire. Some devices notify temperature abnormalities with an alarm, allowing a person to shut them down manually.