Why does the Xiaomi Smart Multifunctional Rice Cooker make abnormal sounds in the keep warm mode?

The Xiaomi Smart Multifunctional Rice Cooker uses a traditional bottom heating system. During cooking and keep warm modes, the appliance adjusts the heating process by switching a relay on and off to maintain the proper temperature and cooking curve. When the relay is operating, it can produce slight clicking or switching sounds.
These sounds are part of the normal working principle of the device and do not indicate a malfunction or quality issue. The rice cooker is operating as designed, and the sound will not affect cooking performance or safety. Please rest assured and continue using the product normally.