Method for operating a household refrigeration appliance , which comprises a heat-insulated carcass with an internal container , which delimits a coolable interior provided for the storage of foods, a refrigerant circuit for cooling the coolable interior and at least one fan , having the following method steps: - during correct operation of the household refrigeration appliance , speed-controlled operation of the fan according to an at least indirectly predetermined target speed of the fan , and - during a verification mode, uncontrolled operation of the fan , determining the actual speed of the fan and evaluating the actual speed by means of an electronic control apparatus of the household refrigeration appliance , in order to identify an abnormal operating state of the fan , wherein the household refrigeration appliance comprises an inverter , provided for actuating the fan , with pulse width modulation, which is operated with a predetermined pulse duty factor assigned to the verification mode during the verification mode, wherein the household refrigeration appliance comprises a controller provided for actuation of the inverter and for the speed-controlled operation of the fan , said controller being actuated by the electronic control apparatus , and wherein by simulating the predetermined pulse duty factor assigned to the verification mode from the electronic control apparatus to the controller , the speed control of the fan which can be carried by the controller is deactivated so that during the verification mode the fan is actuated in an uncontrolled manner by the inverter . - during correct operation of the household refrigeration appliance , speed-controlled operation of the fan according to an at least indirectly predetermined target speed of the fan , and - during a verification mode, uncontrolled operation of the fan , determining the actual speed of the fan and evaluating the actual speed by means of an electronic control apparatus of the household refrigeration appliance , in order to identify an abnormal operating state of the fan , wherein the household refrigeration appliance comprises an inverter , provided for actuating the fan , with pulse width modulation, which is operated with a predetermined pulse duty factor assigned to the verification mode during the verification mode, wherein the household refrigeration appliance comprises a controller provided for actuation of the inverter and for the speed-controlled operation of the fan , said controller being actuated by the electronic control apparatus , and wherein by simulating the predetermined pulse duty factor assigned to the verification mode from the electronic control apparatus to the controller , the speed control of the fan which can be carried by the controller is deactivated so that during the verification mode the fan is actuated in an uncontrolled manner by the inverter . wherein the household refrigeration appliance comprises an inverter , provided for actuating the fan , with pulse width modulation, which is operated with a predetermined pulse duty factor assigned to the verification mode during the verification mode, wherein the household refrigeration appliance comprises a controller provided for actuation of the inverter and for the speed-controlled operation of the fan , said controller being actuated by the electronic control apparatus , and wherein by simulating the predetermined pulse duty factor assigned to the verification mode from the electronic control apparatus to the controller , the speed control of the fan which can be carried by the controller is deactivated so that during the verification mode the fan is actuated in an uncontrolled manner by the inverter . <EOS>