The charging current of the electric car charger is larger and the heat generated is larger. In order to better heat the charger, many 48V chargers are designed to increase the cooling fan. General domestic small factory fan quality is not too ideal, fan quality better price on the high side, this will increase the cost of electric car chargers, so smaller electric car charger manufacturers tend to choose the price, quality usually fan, so I plant in order to help solve electric car charger factory bring trouble for a long time, and independently developed a quality warranty for two years, but the long-term work of the fan, because it is our own open mold so overall cost about 10% lower than ordinary factory, product adopts double ball bearing, bring soft start function. If the manufacturer does not use my company's products, the fan will not be turned or stopped to check and analyze the following methods.
1. Check whether the electric power plug of the electric ev is in good contact with the socket, and the power plug should be plugged in first.
2. Check whether the electric car charger fuse is fused, and if it melts, replace it.
3. Check whether the electric car fan is damaged and if damaged, replace it.
4. Check whether the power supply circuit of electric motor fan is out of order. If so, repair it.