Normal noise while the appliance is working
Induction heating technology is based on the creation of electromagnetic fields that generate heat directly at the base of the pan. Depending on how the pan has been manufactured, these may produce certain noises or vibrations such as those described below:
A deep humming sound as in a transformer
This noise is produced when cooking on a high power level. It is caused by the amount of energy transferred from the hob to the pan. The noise disappears or becomes faint when the power level is lowered.
A low whistling sound
This noise is produced when the pan is empty. It disappears when water or food is added to the pan.
A crackling sound
This noise occurs in pans which are made from different materials superimposed on one another. It is caused by the vibrations that occur ajoining surfaces of the different superimposed materials. The noise comes from the pan. The amount of food and cooking method can vary.
A high-pitched whistling sound
This noise is produced mainly in pans made from different materials superimposed on one another, and it occurs when such pans are heated at maximum power on two hotplates at the same time. The whistling disappears or becomes fainter as soon as the power level is lowered.
Noise from the fan
For proper use of the electronic system, the temperature of the hob must be controlled. For this purpose, the hob has a fan that starts working after detecting excess temperatures at different power levels. The fan may also work due to inertia after the hob has been switched off, if the temperature detected is still too high.
The noises described are normal, they are part of induction heating technology and not a sign of malfunction.
After-sales service
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