On our power supply, The fan is operated based on temperature control. Only when the temperature reaches a certain height, the fan will start to dissipate heat. The higher the temperature, the faster the fan speed. If the fan does not rotate during the test, the temperature is not high and requires heat dissipation. At this time, the product is usually working to output power.
Before turning on the device, one Must pay attention to the connection between the product's cable and the mining machine's connection port. If the link is not firm, it will cause a short circuit of the power supply and cause a risk of fire.