Method of operating steam generator of laundry appliance, and laundry appliance for performing method

According to the present invention, a method of operating a steam generator 4 of a laundry appliance 1 is presented, wherein the steam generator 4 comprises a heater 13 to generate steam S from water W and a water supply means 14 to supply water W to the heater 13, the method comprising at least the following steps: measuring a temperature T meas of the heater 13 and, if the measured temperature T meas is below a lower target temperature T Pmin , decreasing a supply of water W to the heater 13; if the measured temperature T meas is above an upper target temperature T Pmax, increasing a supply of water W to the heater 13; if the measured temperature T meas is between the lower target temperature T Pmin and the upper target temperature T Pmax , keeping the supply of water W to the heater 13 substantially constant. The inventive laundry appliance 1 is adapted to perform the inventive method.