Reasons Why the Car Electric Fan Doesn't Spin at Low Speed but Works at High Speed
1 Answers
If the thermostat fails to open, it indicates a damaged thermostat. If the fan doesn't spin at low speed, it could be due to a faulty fan relay or, in some vehicles, a damaged temperature control switch. If neither of these is the issue, then the electric fan itself is likely damaged. Below is relevant information: 1. Thermostat: A thermostat is a valve that controls the flow path of coolant. It is an automatic temperature-regulating device, typically containing a temperature-sensing component that opens or closes the flow of air, gas, or liquid through thermal expansion or contraction. 2. Fan Relay: A relay is an automatic switching component with isolation functionality, widely used in remote control, telemetry, communication, automatic control, mechatronics, and power electronic equipment, making it one of the most crucial control components.