不能做饭的稻米炊具的常见失败：
1. Burnt rice fault: It may be that the normally closed contact of the heat preservation switch is sintered and stuck together. Although the rice has been cooked and the temperature limiter has jumped off, the heat preservation switch continues to energize the heating tube, and the rice will be burnt.
维护方法：（1）目前，使用刀将触点分开，然后使用细砂纸清洁接触表面，这基本上可以减轻烧成大米的问题；