The reasons why the cake button of Liren electric baking pan is not bright are: poor contact of power cord, power socket problem, internal component failure of electric baking pan, and circuit board damage.

1, the power cord is not in good contact, so the telex cannot be sent to the electric baking pan, and the button is not lit.

2, the power socket problem, the power socket is dead or the voltage of the power socket is too low, which leads to the inability to power on and the button is not lit.

3. The internal components of the electric baking pan are faulty, resulting in the buttons not being lit.

4. If the circuit board is damaged, it needs to be repaired or replaced by a professional maintenance master.