Does a Broken Fan in an Electric Vehicle Charger Affect Charging?
1 Answers
Damage will affect charging; if the fan in an electric vehicle charger does not spin, charging cannot proceed. The main reasons for the fan not spinning are a damaged transistor controlling the fan, a damaged fan itself, or the fan blades being obstructed by debris. If the charger uses intelligent heat dissipation, the issue might be caused by a damaged thermistor. Damaged Transistor: First, use a multimeter to measure whether the transistor controlling the fan is damaged. If the transistor is intact, the issue may lie with the fan itself. Poor Contact: If the fan starts spinning after wiggling its wires a few times, it indicates a broken wire inside or poor contact at the connection points. Thermal Resistance Fault: For chargers using intelligent heat dissipation, in addition to the above checks, also inspect whether the thermistor has poor contact, is damaged, or has desoldered. Note that this thermistor has a negative temperature coefficient, so caution is required when replacing it.