Replacing the dishwasher pump - drain and circulation

Buying a dishwashing machine does not mean that the device will operate without fail. Various breakdowns occur, in which the machine begins to perform its functions poorly or does not start at all. As a rule, the drain pump for the dishwasher fails. Many users panic when the drain pump is constantly running and rush to call a repair specialist, not knowing that such a malfunction is not serious and can be easily fixed on your own.

How to diagnose a malfunction

You can determine the cause of the breakdown yourself. If there is no water circulation , the rocker arm nozzles remain clean, there are no blockages in the filters - a sure sign that the circulation motor needs to be replaced.

Most often, the pump breaks down in dishwashers. This happens due to the resulting blockages. If the filter can be cleaned and put back in place, then the pump will definitely have to be changed. To do this, the machine is disassembled almost completely, and if you doubt that you can cope with this, invite a repair specialist.

The main signs of a pump breakdown

How to understand that your Dishwashing equipment needs repair? Signs may vary:

• the machine displays an error code on the display;
• the equipment starts, but the washing process is not activated;
• the pressure of the liquid has weakened, the quality of washing is poor;
• during operation there are extraneous noises and hums;
• The drain pump does not turn off, but water is not pumped out of the chamber. The machine works non-stop, but there is no positive result. There is a possibility that there was a failure in the electronics or in the control triac.

Preparation

If the conversation turns to replacing the drain pump on an Ariston, Bosch, Candy, Electrolux or other brand dishwasher, then this means a pump or a circulation pump. In the first case, repair work is easy and not too expensive, but replacing a circulation device will cost much more, even if you do everything yourself.

Many people claim that a dishwasher can be repaired without using tools other than screwdrivers. But to be precise, you will need a multimeter, pliers and an awl.

Using pliers you will tighten the fasteners holding the machine pump. Use screwdrivers to loosen and then reinstall the fasteners. It is more convenient to use an awl to pry the body panel to remove it. Well, all measurements of resistance indicators are performed with a multimeter.

All that remains is to prepare the machine itself, for which the following activities are performed:

1. the dishwasher is disconnected from the electrical network;
2. the water supply is cut off;
3. the decorative panel located at the bottom, immediately under the washing mashine door is removed;
4. all hoses are disconnected from the body;
5. the machine moves forward to make it more convenient to work;
6. Before disconnecting the drain hose, you need to spread plastic film on the floor and large rags on top to absorb the remaining water.

Instructions for replacing the drain pump

If your washing mashine has a pump installed, then you can handle the repair quickly. Main - disassemble the unit correctly. Following the instructions, you will spend no more than twenty minutes:

1. open the dishwasher, remove the baskets for dirty plates;
2. remove the sprinkler and garbage filter, which looks like a glass;
3. take out the filtration mesh;
4. unscrew the fasteners located under the mesh;
5. after all the steps, turn the dishwasher on its side, remove the panels and holders made of plastic material;
6. the thermal insulation layer can create an obstacle, so it will have to be removed to the side;
7. now it’s the turn of the water intake pipe, which needs to be unhooked, and after it, the tray with the main units must be disconnected from the machine body;
8. we turn off each of the elements located in the pan, for which we carefully disconnect the wiring;
9. There is a pump located near the pump - we grab it with our hand and turn it half a turn to the left, after which the element is easily removed.

All that remains is to find an original analogue so that your dishwasher works normally in the future. The easiest way is to rewrite the factory designation on the old pump and find the exact same one via the Internet.As a last resort, you will have to go to stores that sell household appliances and the necessary spare parts for their repair.

Procedure for replacing the circulation pump

It should be noted that there is nothing complicated here either. You just need to know how does your washing mashine work? for dish washing.

The peculiarity of the drain pump is that it only pumps out waste liquid, while the circulation device has more complex tasks. It moves water along the circuit, delivers it through a sprinkler into the tank, due to which the dishes are washed.

Sometimes a flow-type water heating element is installed in the dishwasher body, the main task of which is to bring the liquid to the required temperature and maintain it during operation of the device.

Repair work related to replacing the circulation pump begins with machine preparation and its breakdown:

• the drain hose is turned off;
• the circulation block is removed from its mountings;
• The water intake hose is disconnected.

Conclusion

It should be noted that the repair work associated with replacing the drain pump is not particularly difficult. You just need to act in strict accordance with the instructions; first, let’s clarify the rules for disassembling the dishwasher.

Just remember that to replace a failed element, you need to purchase an analogue drain that matches the markings.