Very often it happens when the dishwasher stops working abruptly and gives out some code, in this case, error i20. The article will help you figure out what i20 error means, why all this is needed, and what should be done in this case with a dishwasher.
Why come up with error codes
When a person is in pain, he talks about it. The same thing here: when a typewriter (and not just her) something fails, a special code is displayed. This is necessary so that the owner understands the essence of the malfunction. That is, what the code is - this is the essence of the problem.
A list of possible failures is hammered into the software in advance, when they occur, the name of the error is displayed. The failure of a particular part is recorded by sensors. Let's say the water supply system breaks. The device cannot fill water into its container when it is required of it. The sensor works, and the information is displayed on a small screen. This is called a self-diagnosis system.
What does i20 mean
It is displayed on the screen when the device cannot drain the waste water from its tank. If the device does not have a display, then the double blinking of the “END” LED will be the equivalent signal!
Why can't drain the water
The problem may be due to breakdowns of several parts at once, or one of them. There are several possible reasons:
- The drain hose is clogged or it is pinched.
- Outlet pump filters are dirty.
- The sewer system itself is clogged.
- The drain (outlet) pump has broken.
- The pump is out of order, it is also called a pressure switch.
- Failure in device software.
Attention, you first need to find out: what exactly is out of order, whether it broke, and only then we proceed to fix the problems! You can not undertake to disassemble the equipment before everything becomes clear.
what means error code E14 - read in our article.
How to accurately recognize the object of failure
A device software failure is the simplest reason. It is necessary to reboot the machine and see: now does it work stably or not? It is better to follow it for some time, but it should be borne in mind that such a failure can occur in connection with the beginning of the failure of one or more components.
The drain hose may be pinched or clogged. To check, you need to disconnect it, blow it or pour water into it in order to see how it is poured and poured. You should also check whether the hose is positioned correctly. The picture shows the scheme of correct compliance with the level.
Contamination of the drain pump filter is normal. When washing dishes, food particles accumulate, which form a cork over time. It is recommended to remove it from the device and carefully inspect. If it is full of garbage, then the diagnosis is obvious.
The machine will have nowhere to go if the sewer itself gets clogged. You should not immediately take it for a full check, because it will take a lot of time and may not clarify the diagnosis. It is better to take a large bucket or basin, lower the hose there and watch. If the water drains there rapidly, then, indeed, the sewage system has clogged.
With the breakdown of the pump and its pump, everything is a little more complicated. This unit is located at the bottom of the device, under the outer and inner bar. You can, of course, check them yourself with a multimeter, but it is better to call a specialist from the service.He will already correctly check everything and say what actions should be taken next and how to deal with the malfunction.
Training
Before you eliminate this or that breakdown, you need to prepare for work. It will take a few simple steps:
- Unplug the dishwasher and disconnect all hoses.
- Lay something on the floor, such as polyethylene.
- Remove all water from it, in any way.
- Remove all utensils, if any.
- Perform a thorough cleaning of the internal cavity.
You will also need the following tools:
- screwdriver to disassemble the case, etc .;
- pliers;
- an awl that will help to pry panels for ease of disassembly and assembly;
- a multimeter for diagnosing the condition of conductors.
Read also about problems e4 in dishwashers.
Elimination
A software failure is resolved by rebooting the equipment or editing the system firmware. To restart the machine, turn it off, unplug it and wait about twenty minutes. Then insert the plug and turn on the machine, looking: how it works.
Firmware or replacement of electronic circuit boards cannot be performed independently. Have to call qualified workers.
It is quite possible to fix problems with the drain hose with your own hands. It is necessary to try to clean it with funds from blockages or with a cable, if any. Otherwise, you can buy and put another one if some difficulties arise with cleaning.
The filter can be cleaned of dirt yourself. Technicians recommend pulling it out, disassembling it and rinsing it thoroughly with running water. Then take an unnecessary toothbrush and clean out the specks. A fat dissolving agent is also very suitable. Buying new filters will also solve the problem. If it is possible to purchase filter cartridges separately, then it’s even better, cheaper.
The elimination of sewage system pollution is a completely different story, but it has something to do with it. Here you already have to understand: where exactly is the blockage and is it possible to eliminate it yourself. To begin with, you should try to pour in the sink drain the usual remedy for blockages, using a plunger. If it does not work, then you have to disassemble the drainage system of the sink and see what is there. In extreme cases, you should call for help from a specialist.
It was said earlier that without the help of a person competent in this matter, it is better not to repair the pumping system. The technician will advise everything himself. With your own hands, you can at least replace the wires (check with a multimeter) that feed the pump and the pump itself. In most cases, you have to change the whole system, which is very expensive. The pump is much cheaper than the circular pump itself.
In order to pull out this part, you need to partially disassemble the machine, like this:
- Open the back door.
- Remove additional panel.
- Unscrew the filter with the mesh and fasteners that are under it.
- Remove the protective panels (located on the sides) together with the plastic holders.
