Havells Insta Cook PT 1600-Watt Induction Cooktop SymptomReasonActionNo beep after power is switched on.The power code is not properly pluggedPlug the Power Cord into the power socket properly.No display on the display panelThe power code is not properly pluggedPlug the Power Cord into the power socket properly.Induction cooker stop working after successive short beeps.Vessel material or size is not suitable.Ensure the vessel is made of steel or iron base & has a base diameter larger than 12 cm (4.72”)Induction cooker stop working after successive short beeps.Vessel is not placed in the center of the glass top. Or no vessel ON the cookerPlace the Vessel in the centre circle of the Glass Top.The heating stops abruptly when cookingVessel temperature is very highWait till the Vessel cools downThe heating stops abruptly when cookingOnce the set temperature is reached the unit will switched off automaticallyIf required, rest the temperature and start cookingVessel does not heat up to the required temperatureThe bottom of the Vessel is not flatUse flat bottom vessel only.Display failure code is E3 or E6Very high internal temperature or over Glass top.Switch off the Induction Cooktop Switch on, after the Induction Cooktop Cools down.Display failure code is E1, E2, E4, E5, Eb & Ec.Internal failureContact Customer CareDisplay HIHigh VoltageSwitch on the appliance afterincoming voltage is stabilize. Please check the input ac voltage should be between 220-240 voltsDisplay LOLow VoltageSwitch on the appliance afterincoming voltage is stabilize. Please check the input ac voltage should be between 220-240 volts