Does the range hood turn on and does not respond?
Due to power problems, the power supply is not plugged in or out of power, plug in the power supply or wait for an incoming call. The plug and the socket are in poor contact. Check the plug and socket or replace it. The fuse on the power supply board is broken, and the fuse must be replaced. Due to circuit problems, the switch of the range hood is in poor contact or damaged, and the electrical connection wires or terminals in the electronic switch must be repaired and replaced. If the power cord is disconnected or the interface is loose, you must replace the power cord or connect the interface.