It was the second time in 8 months that the f02 code was displayed but this time I had the sud message to. First time I cleaned the trap that was really clogged (after 9 years). Second time, opened the trap to find almost nothing so did a little research on the web to find out it was possible the pump or other pipes could be clogged to. I removed the pump, the big black bellows, the evacuation pipe that goes to the drain and cleaned them all. I was surprise about the amount of sh... there was in those (we use he3 soap), put everything back and test ed it, code is back???? Finally, the only pipe I did not remove was the small one that goes to the sensor on top of the machine. This little hose goes from the sensor to a small reservoir behind the tub, it was completely clogged so the sensor never had a good reading about the water level in the time frame set by the control unit. I cleaned this small reservoir (don't forget to re-attach the wires to it to prevent them to get in the belt) and my washer work...