Code F My HE 3t Washer Kept Flashing With Error Code F/02. What Is This Mean?

My HE 3t washer kept flashing with error code F/02. What is this mean? - code f

My washing machine has stopped in its cycle of Ljubljana and the flash F / 02 code. I have my manual and do not know what to do. Now my clothes sit with water and detergent. F/02 I think it means something. Who has this problem, please help me. Thank you.