Error e3 in padmini

SOURCE: Recently i have purchased Prestige induction

e 3 is error because of high voltage may be more than 30 kW at your house......it will not work with it u have to buy a voltage regulator for it........

SOURCE: My prestige induction cooktop PIC

E3 means that the stove is getting overvoltage.
Plug it through a voltage stabilizer

SOURCE: i have prestige induction cook

E7 error code definition: "Internal Electronic Temperature sensor is opening circuit or short circuit"Solution: Contact technical supportSource: Induction Cooker Error Codes Explained

SOURCE: Prestige induction cooktop showing E3

Error Code: E3Reason: The voltage is higher for 3 secondsSolution: Check voltageSource: Induction Cooker Error Codes Explained