The startup alarm of Elma steam cleaning machine belongs to the safety system and is used to protect the circuit. Mainly check whether the power supply and internal plunger pump are damaged, and ensure that other accessories are in good condition before turning on the power supply to start working. After the steam cleaning machine is used, it is necessary to drain the water inside, and no moisture can be left in the high-pressure pipe or steam pipe, especially in the northern winter, which may easily lead to equipment and pipeline rupture. Founded in 1948, Alma is a German brand. The company has been manufacturing and producing ultrasonic cleaning machines for more than 50 years. In addition to ultrasonic cleaning equipment, it also produces watches and jewelry equipment.