You can find out below the meaning of the error codes on the display of your Philips Pressure Cooker:

Error 1, 2 and 4: If you have one of these error codes, it means that your Philips Pressure Cooker has technical defect. In this case, please refer to the service center for repair.

Error 3: The error code 3 means that the temperature inside of your Philips Pressure Cooker is too high. Let the device cool down for 1 hour until it falls down to room temperature.