No matter how reliable and high-quality household appliances are, no one is immune from breakdowns. As a rule, they happen suddenly. Do not panic - any technique can malfunction. In today's article, we will consider the following problem: the Bosch dishwasher does not drain the water and it is in the dishwasher. What to do in this case and for what reason does this situation arise?
Types of malfunctions
Specialists identify two main reasons why the Bosch dishwasher does not drain the water and it remains at the bottom of the unit. The most common is hose kinks and blockages. You can deal with these problems yourself. But the second type of reason is more serious. This is a malfunction of some parts and links of the Bosch dishwasher. It may not drain water due to the pump and other elements. Well, consider in more detail all the options.
note
Before you begin to find out the reasons why the Bosch dishwasher does not drain the water, it is worth emphasizing one point. All repairs must be done only after the machine is disconnected from the network. This must be done even if the damage is minor.
Dishwasher hoses
As we said earlier, one of the common causes of water stagnation is hose problems. If the hose that connects the dishwasher and the sewer is pinched or bent, the fluid simply cannot physically leave the device. As a result, the Bosch dishwasher does not drain water. How to solve a problem? Simply gently straighten the hose and connect the machine to the network. Next, restart the drain mode. The problem must be solved.
Filter
What other failures of the Bosch dishwasher can cause water stagnation? One of the most popular is the clogging of the filter element. Each manufacturer (including Bosch) also recommends rinsing dirty dishes from leftovers before placing them in the machine. But many owners ignore this rule.
So, the filter element is contaminated with pieces of napkins, food particles and other garbage. How to solve this problem? The cleaning element is located at the bottom of the device. It must be removed, washed and reinstalled. The device will work normally again.
Drain system
If the Bosch dishwasher does not drain, this may be due to a clogged drain system. So, some food items and other garbage can pass through the filter and form a blockage in the hose or at the junction of it with the sewer.
How to be in this situation? You can clean the item yourself. This will require a container to drain the liquid. Carefully disconnect the hose and direct it into the container. If water flows in a strong stream, then there is a blockage at the junction with the sewer. If the fluid does not drain, the hose itself is dirty. It can be washed with a powerful stream of water.
Pump
It happens that in the dishwasher the pump itself gets dirty. Because of this, the technique does not drain water. In this case, you need to get to the pump (instructions for the device to help you) and eliminate the blockage yourself . To do this, we unscrew all the fastenings of the element and restore order. After removing the blockage, it is worth checking whether the impeller of the pump rotates easily. This can be done with a pencil, wand or other object. Never touch the impeller with your hands. After all the elements have been cleaned and connected back, you can start the device and check its operation. But it also happens that the dishwasher still does not drain the water. What to do? Let's consider some more typical malfunctions.
Pump breakdown
This element is responsible for draining the fluid from the system. And if the pump burns out, then this process will not occur. Unfortunately, this item is not recoverable. The pump changes entirely to a new one. Usually its cost is about two thousand rubles.
Aquasensor breakdown
The Bosch dishwasher is equipped with a special aquasensor. What is this element? This is a part that controls water pollution. I must say that the error of the E6 aquasensor on the Bosch dishwasher may not always be displayed on the screen, but it is saved in the memory of the control unit. How to solve this problem? You can try flushing the system with anti-scale. If this does not help, only the installation of a new aquasensor will solve the situation.
Pressostat malfunction
What is this element? It is a water level sensor. Often, it is his merit that the Bosch dishwasher constantly drains water or does not drain at all. The sensor tube is connected to the tank so that the liquid during collection into the latter is at the same level with the water in the tube. The pressure switch measures the pressure in the upper part and thus determines the water level in the tank. If the element is defective or there is a crack in the tube, false data will be received from the pressure switch. The system will consider that the water has already been drained, and it will no longer be pumping it out or will do it endlessly.
Software module
He is the brain of a dishwasher. It is the software module that analyzes the washing cycle, and also sends signals to the actuators (to the electric heater, pump, intake valve and other elements). In case of failure of this module, the commands may not be sent in full or not sent at all.
How to solve the problem in this case? For the dishwasher to work again, a flashing of the software module is required. If this does not help, we can state the physical breakdown of the unit itself. You can solve the problem only by replacing the module with a new one.
How to enable forced drain?
What to do if the machine does not drain the water? You can apply a forced drain. To do this, perform a number of specific manipulations.
If this is an old Bosch dishwasher, then a ratchet switch is installed in it. To open the corresponding valve, rotate the switch clockwise.
If this is a more modern model, you will have to reset the program and close the door. Next, the exhaust valve will open automatically. If this does not happen, you should additionally hold the start button for three seconds. As a result, the liquid leaves the system.
Frequent errors and their interpretation
What is the code “E1” talking about? This error indicates a heating problem. In this case, we can state the malfunction:
- water level sensor;
- safety thermostat;
- water flow sensor;
- TENA (the reason is the lack of resistance);
- control module (reason - the heater does not supply power).
Sometimes on the Bosch dishwasher the code "E3" lights up. What is this talking about? This error is due to filling the system with water. So, the Bosch dishwasher can slowly fill liquid or not fill it at all. In this case, it may be:
- the inlet filter of the dishwasher is clogged;
- the drain pump is faulty;
- the Aquastop valve or the water level sensor is faulty.
"E27". This error indicates a low voltage. It happens often. Check the voltage at the outlet. Typically, such an error occurs during peak loads on urban power grids. In such a situation, the best solution is to install a special voltage regulator.
Conclusion
So, we found out why the Bosch dishwasher does not drain the water and there is water in the dishwasher. As you can see, there are several reasons. The solutions are also different. Therefore, it is important to accurately determine the nature of the breakdown, and then follow the recommendations.