Find the classic voltage or classic ground resistance of each foot of the chip (welding is on the circuit board), if the ground resistance or the ground voltage of each foot is inconsistent with the information on the induction cooker data, it indicates that the induction cooker motherboard chip is damaged.
Judgment method 2:
Remove the CPU chip of the motherboard and control panel, and then measure the resistance of the positive and negative electrodes of the two chips connected to the circuit board. If the resistance values of the two positive and negative electrodes are not the same, it indicates that the motherboard chip of the induction cooker is damaged