Electrolux ESL74300LO-Error-3 beeps-the pump is still working

Hello. I have a Dishwasher Electrolux ESL74300LO.

During washing (at the end in total), he starts to pace 3x, the moment of break and again 3x. The pump is still working as if it was draining water. After opening the dishwasher, the pump is still working, I have to pull the plug from the socket. When I open the flap, the LED with the symbol [also flashes] -> | }.

I read that this may be an anti-leakage protection, but I'm not sure because the dishwasher is without a display, and everywhere they describe the graphic code i30.

The dishwasher in the building so I put it out, tilted it to pour water out, unscrewed the bottom housing, I poured water from the bottom base (there was not much but it was certainly), I checked the gaskets did not notice leaks. I turned on, turned on the 3 hour program with the finish liquid for cleaning and there was no problem, it was a dry base. After mounting the back and washing the classic error appeared again.

I made a reset of errors - 1 and 3 button from the left pressed and connection to 230V and later acceptance with 2 buttons from the left.

I have to look for leaks more accurately weigh on the hose, gasket after the seal, or it could be another problem? It is best to unscrew the side walls of the casing and leave the bottom to observe it during work?

I have not noticed any float or tap water for this security. And in the pictures of other models I saw a piece of Styrofoam combined with a switch.

I am waiting for some suggestions. greetings

Check the pipe connecting the water jacket with the bowl of the dishwasher (this plastic part on the bottom of the dishwasher). It often clogs and this causes the water to drain on the breather of the coat.

Could you show what kind of tube you mean? I will be grateful. I noticed that there are wet pipes draining water from the door area to the bowl on the bottom. I will check the operation of the dishwasher when it is at a slight angle.

The dishwasher draws too much water and leaks through the hoses to the bottom. To check the water level sensor (hydrostat). Provide a number at the bar code from the door that may help me more.

First, clean the holes in the propellers.

I have traced the leak. She appeared on the element (I do not know the name) marked below in the pictures. I twisted it, the o-rings were all, it was generally clean. I do not know if I did a good job but slightly "flew" with sanitary silicone and turned it on. Is leaking in that place the cause of some other fault?

I will add that it dripped gently at the very beginning of the washing (as if only by gravity), in the later stage of the dishwasher's work it did not show any leakage.

Identically as the predecessor. I wiped the bowl, everything worked and from scratch.
I unscrewed the lower strips and tracked the leak. Or loose on this tongue, or higher from under the gasket. How. This is what to exchange, what to replace?