Error Possible cause Remedy
Water inside the oven Drain blocked Descale
Drain connection blocked or covered Remove object Steam or water running out of base of
appliance (condenser). Drain blocked Rinse condenser and drain thoroughly,
clean/check own drain system
Incorrect cleaning agent Use genuine CONVOClean and
CONVOCare cleaning agents
White or black marks inside oven
Water hardness too high See Water Quality Recommendations in
Warranty