Use a multimeter. Bear healthy pot bt 139-800e SCR. Use the on-off gear of multimeter to measure its on-off. If it can be turned on, it means that it has not burned the DC voltage gear to measure whether there is voltage on the motor. If the controller has normal voltage, the motor is broken, and vice versa. Bear house health pot has high value, simple operation, one-click soup, porridge, herbal tea, etc., low price, high cost performance, very suitable for health.