Leaving an induction hob (cooktop) on for a long time without a pan on top should not damage the hob itself. Induction cooktops are designed with safety features that help prevent damage in such situations. Here are a few points to consider:
Auto-Shutoff Feature: Many modern induction cooktops have an auto-shutoff feature built-in. If no cookware is detected on the cooking zone for a certain period of time (usually a few minutes), the cooktop automatically shuts off as a safety measure. This feature helps prevent overheating and energy waste.
Thermal Sensors: Induction cooktops often have thermal sensors that monitor the temperature of the cooking surface. If the temperature reaches a certain threshold, the cooktop may activate safety mechanisms to prevent overheating or damage.
Residual Heat Indicators: Induction cooktops commonly feature residual heat indicators that display whether the surface is still hot even after the cooktop is turned off. These indicators serve as a warning to users and prevent accidental burns.
While leaving an induction hob on without a pan should not harm the cooktop, it's always a good practice to turn off the appliance when not in use. This helps conserve energy and minimizes the risk of accidents or unintended use. Additionally, consulting the user manual provided by the manufacturer will provide specific information regarding the operation and safety features of your induction hob model.