1, this can only be run at "220V Cooling Fan" completely normal circumstances, the cooling fan while power supply facilities to ensure sufficient capacity, voltage stability, non-phase operation, the power supply line must be a dedicated line, the line should not be long-term temporary supply.
2, air cooling "220V Cooling Fan" was found during the operation fan abnormal sound, serious motor fever, live shell, switch trip, you can not start and so on, should immediately stop checking. To ensure safety, do not allow the fan to run in repair, maintenance should be carried out after the commissioning of five minutes or so, confirmed that no anomalies start running again.
 3, the cooling fan in the use of the environment should be kept clean and tidy, Shenzhen cooling fans keep the surface clean, the outlet should not have debris, periodically remove dust and other debris fan and pipe.
4, "220V Cooling Fan" should be stored in a dry environment, avoiding motor damp. Fans at open storage, due defenses. During storage and transport process should prevent the fan bump, so as not to damage the fan.