The situation when the dishwasher Korting stops draining water, is one of the most common and unpleasant problems for the owner of household appliances. Instead of completing the cycle and giving clean dishes, the device stops with a full tank of dirty slurry, signaling an error by flashing indicators or code on the display. This is not just temporary discomfort, but also the risk of an unpleasant smell, bacteria multiplication and, in the worst case, leaks to the floor.
This failure cannot be ignored, since the constant presence of water inside the housing can lead to oxidation of contacts and failure of expensive electronic modules. Often the cause is a banal blockage or a squeezed hose, which is easy to eliminate yourself without calling the master. In some cases, however, the problem is deeper, affecting the pump Or the control system.
In this material, we will discuss in detail all possible causes of stopping the drain in the dishwashers of Curting. You will learn how to conduct a primary diagnosis, what tools will be needed to test and when professional intervention is really needed. Understanding the principles of work drainage It will help you save time and money by bringing your equipment back to life on your own.
Primary diagnostics and error codes
Before disassembling machinery or looking for spare parts, it is necessary to correctly interpret the signals that the dishwasher itself gives. Modern models Korting They are equipped with a self-diagnosis system, which, when water level problems are detected, produces a specific error code or a combination of flashing indicators. Most often there are codes indicating overflow of the pallet or the impossibility of pumping water in the allotted time.
Pay attention to the behavior of the device at the time of the drain attempt. If you hear the engine buzzing but the water is standing still, it indicates a mechanical obstruction or impeller malfunction. If there is absolute silence, the problem may lie in the absence of voltage supply to the pump or burnt engine. Electronic control unit Could have blocked the pump from starting because of the level sensor readings.
β οΈ Before starting any diagnostic work, be sure to disconnect the dishwasher from the power grid! Working with electrical appliances under tension is life-threatening.
To accurately identify the problem, it is often necessary to remove the bottom panel or open access to the filter. Visual inspection will help to identify obvious things: the bends of hoses, the presence of foreign objects in the drain hole. Donβt rush to make conclusions about the breakdown pumpUntil you make sure the entire highway is clean.
Checking the drain hose and connection to the sewerage
The most common, but common reason for the lack of drainage is problems with the organization of water drainage. Curting dishwashers require compliance with certain installation rules. If the drain hose is squeezed, twisted into a loop or too lengthened, the pump simply wonβt be able to push the water through the resistance. The length of the hose should not exceed the manufacturer's recommended 2-2.5 meters without the use of additional reinforced pumps.
Particular attention should be paid to the place of connection to the sewer system. Often users forget to remove the transport plug from the siphon or insert the hose too deep into the sewer pipe, blocking the exit with water. The result is a reverse valve effect, and dirty water from the sink or the machine itself cannot escape. Hydro-gate It must be free to flow through the stream.
- π Check the hose all the way through for the ruptures, especially behind the back wall of the car, where it is often pressed against the wall.
- π Make sure that the height of the drain loop is in accordance with the instructions (usually 40-60 cm from the floor) so that the water does not flow out of the water during washing.
- π Look at the siphon insert: if fat or food waste has accumulated there, they can block the dishwasherβs exit.
If the hose is long and laid under the sink, make sure it is not passed by heavy objects or furniture doors. Sometimes it is enough to just straighten the highway to water-circulation I'm back. In the case of connection through a tee under the sink, check whether the siphon of the kitchen sink is clogged, as a common clog will also stop the dishwasher.
Cleaning of filters and drainage holes
The main "narrow neck" in the drain system of any dishwasher is a rough cleaning filter. It is here that the remains of food, bones, fat and small debris that has not been washed away with water settle. In cars. Korting The filtration system usually consists of a mesh element and a flat filter located at the bottom of the washing chamber. Their regular cleaning is the key to a long life of the pump.
To access the filters, you need to remove the bottom basket for dishes. Turn the cylindrical counterclockwise filter and remove it. Below it you will see another small mesh or hole leading directly to the impeller pump. Often in this space, under the main filter, the main layer of dirt accumulates, which blocks the work. drain-pump.
βοΈ Checklist of cleaning of filter system
Use a soft brush and warm water with a degreasing agent to clean the elements. Do not use abrasive sponges that can damage the net. After cleaning, carefully examine the hole where the impeller of the pump is visible. There could get shards of glass, toothpicks or seeds from fruits that physically will not allow the blades to rotate. Removing such debris often solves the problem instantly.
β οΈ Warning: Never start a dishwasher without a filter system installed! This will result in large debris getting into the pump and its guaranteed failure.
If after cleaning the water still does not go away, try to gently twist the impeller of the pump with your finger (when the car is disconnected!). It should rotate freely, without jamming and extraneous noise. If mechanical resistance is felt or a crunch is heard, it is possible that a solid object has hit the pump, which has jammed. engine-rotor.
Diagnostics and replacement of the drain pump (pump)
The pump, or pump, is the heart of the drainage system. Curting dishwashers most often install circulation-pump or separate drain pumps. If the filter is clean, the hose is free, and the water is standing, the probability of malfunction of this particular unit is high. Symptoms can be different: complete lack of reaction, humming without rotation or intermittent work.
A multimeter will be required to check the pump. First, you need to provide access to the pump, usually for this you need to put the machine on its side (on a soft surface) and remove the lower protective panel. Find the wires going to the pump, disconnect the terminals and ring the engine winding. The resistance of a working winding is usually from 150 to 200 ohms. If the device shows a break (infinity) or a short circuit (zero), pump-motor It's burned and needs replacement.
| Symptoms. | Possible cause | Method of verification |
|---|---|---|
| Silence on the drain | Chain break, winding burn, no power. | Multimeter vertebrae, voltage check at terminals |
| The buzz, but the water's standing | Impaled jamming, bearing wear | Visual inspection, attempt to turn the shaft by hand |
| The drain is going slowly. | Wear of impeller, partial clogging | Inspection of blades for chipping, check of the highway |
| Knocks the machine out | Short circuit in the winding | Measurement of insulation resistance, visual inspection on the gar |
It is also worth examining the squirrel visually. Plastic can deform over time from hot water and chemistry, or the blades can be partially broken. In such cases, even a working motor will not create the necessary pressure to lift water to the drain height. Replacing the pump is not a complicated procedure, but requires an accurate selection of the model, since the mounts and connectors from different manufacturers may differ.
How to remove the old pump properly?
To remove the pump, you usually need to unscrew 3-4 screws of the mounting of the body to the bottom of the machine and squeeze out plastic latches that hold the motor itself in the cochlea. Be careful with rubber seals β when installing a new pump, it is better to lubricate them with silicone to avoid leaks and vibration.
Failures of the water level sensor (pressostat)
A water level sensor, or pressostat, tells the control module how much water is in the tank. If the device transmits incorrect data (for example, that there is no water, although the tank is full, or vice versa), the drain cycle may not start at all or interrupt prematurely. In dishwashers. Korting Both mechanical and electronic sensors are used, which can fail due to oxidation of the contacts or membrane sticking.
A common problem is clogging the tube going from the tank to the sensor. It can get water with detergent, which, drying, turns into a dense plug. As a result, the air pressure in the system is not transferred to the membrane, and the contacts are not switched. PressostatThinks that the water has already been drained and gives the command to complete the program or move on to the next stage.
- π§ Remove the sensor and check the integrity of the tube suitable for cracks and inflections.
- π§ Blow the tube and sensor inlet to remove possible contaminants.
- π§ Check the electrical contacts of the sensor with a multimeter in vertebrae mode when pressure changes (you can gently blow into the tube).
If the sensor contacts are stuck in one position, the machine can block the drain for safety purposes to prevent the pump from running dry. Sometimes it helps to clean the contacts of the sensor, but it is more reliable to replace it with a new one, since the calibration of the old device has already been broken. Wrong job. aquastopThe sensor can also block all processes.
Use special salts for dishwashers and regularly start the cleaning cycle with citric acid β this will prevent the formation of scale on the pump parts and sensors, prolonging their service life.
Problems with the control module and wiring
If all mechanical components are in good working order, the hoses are clean, and the pump and sensors are nicknamed normal, the reason may lie in the "brains" of the device - the control module. The control board analyzes signals from all sensors and supplies voltage to actuators. In Curting dishwashers, as in other techniques, the module can suffer from voltage surges, moisture ingress, or simply from time to time.
Often, the tracks or simistors responsible for pump management burn out. Visually on the board can be seen traces of burns, swollen capacitors or blackening in the area of power keys. Sometimes, however, the defect is not visible to the eye. In this case, a professional diagnosis with an oscilloscope or replacement of the module with a known serviceable one for inspection is required. Electronic controller - complex unit, and its repair at home is possible only with deep knowledge in radio engineering.
It is also worth checking the integrity of the wiring. From the constant vibration and temperature of the wire can be rubbed or move contacts in the connectors. Check the wire harnesses going to the pump and pressostat. The oxidized terminals create additional resistance, which causes the pump to not get enough power to start. Cleaning contacts and using contact lubricant often helps to restore work.
β οΈ Note: If you find traces of water getting on the electronic board, in any case do not try to turn on the equipment immediately! Dry the module thoroughly or give it to a specialized service for ultrasonic cleaning.
In some cases, the program may be a programmatic failure. Try to complete a full reset (Hard Reset). This usually requires a specific combination of buttons (such as βStartβ and βCancelβ) to be pressed for 5-10 seconds until the signal is heard. It'll come back. parameter It can be used to correct the logical error.
When a Master's Challenge is Necessary
Despite the desire to save money, there are situations when self-repair can lead to even greater costs. If you have checked all the available nodes, cleaned filters and hoses, called the pump and sensors, but the machine does not drain water, most likely, the problem requires professional diagnosis. This is especially true when it is necessary to replace the bearings of the pump (if they are not changed separately) or soldering elements on the control board.
Also, the help of a specialist is necessary if the car is under warranty. Any independent intervention, removal of seals or violation of the integrity of the hull will lead to the loss of warranty obligations. Master of Authorized Center Korting It has access to original parts and technical bulletins, which speeds up repairs.
Self-repair is justified in 80% of cases of blockages and simple mechanical malfunctions, but if you suspect electronics or complex disassembly of the body, it is better to trust professionals.
Remember that regular maintenance is the best prevention of breakdowns. Clean the seals, check the filters after each wash and use quality detergents. This will allow your dishwasher to last for years without any malfunctions in the drainage system.
Why does Curting dishwasher buzz but not drain water?
The buzzing in the absence of a drain most often indicates that the pump engine is trying to work, but can not turn the shaft. The reason may be jamming of the impeller with a foreign object (glass, bone), wear of bearings or blocking of the blades with a dense layer of fat. Less often, the problem is the break of one of the winding phases or the voltage drop in the network.
How to clean a drain hose if it is clogged?
Disconnect the hose from the car and sewer. Wash it under a strong pressure of hot water. To dissolve fat stoppers, you can use a cable to clean pipes or pour a solution of warm water with caustic soda or a special pipe gel inside, leaving for 30 minutes, then thoroughly wash. Make sure the hose has no internal damage before installation.
Can I start a dishwasher if it has not drained the water?
It is not recommended to start a new wash cycle if there is water left in the car. This will cause clean water to mix with dirty, poor quality washing and possible tank overflow, causing leakage. First, you must forcibly drain water through a drain filter or hose, lowering it below the level of the bottom of the machine in a bucket.