Make sure that your coffee machine is plugged in to a working outlet. Some coffee machines have one button for brewing and another for keeping coffee warm. Check the keep-warm function to see if it is on.
For more information on how to use your appliance, consult your user manual. If you’re having trouble finding your manual, download it here using your product’s model number.
If the problem continues, your machine might have a technical problem. If you suspect that to be the case, contact an authorised service agent.