1, the switching power supply is not powered on
2, explosion tube burning IGBT
3, the display is normal without heating
4. The E0 is faulty
5, E1[non-inspection pot]
6, E2[IGBT overheating protection]
7, E3[Grid voltage is too high]
8, E4[Grid voltage is too low]
9, E5[furnace surface temperature sensor open circuit]
10, E6[furnace surface temperature sensor short circuit]
11, E8[Key failure]
This is my experience in fixing induction hobs:
① The CPU power pin is short-circuited, the indicator is not on, and the button has no reaction.
② The CPU is working abnormally, the indicator is all on, and the button has no reaction.
③ The CPU works abnormally, burning the power tube.