• The kettle beeps once.The water has reached the set temperature
• The kettle beeps twice. The kettle may have switched off at the end of the keep-warm period (30 minutes)

The kettle may also have switched off because there is too little water in it. Always fill the kettle with at least 0.5 liters of water.

The information on this page applies to the following models: HD4686/30 , HD4686/90 .