Basic malfunctions of dishwashers

What cancause a breakdown?

If the equipment has served you for more than 5 years, and its warranty period has long expired, then a possible cause of the malfunction may be a banal wear of spare parts.

In the event that you have recently made a purchase and already the dishwasher has failed, the reasons for the breakdown may be as follows:

• Defective assembly and spare parts themselves. It occurs in cheap Chinese models from poorly known manufacturers.
• Before loading the dishes into the camera, you do not rinse off any leftover food that clogs the filter. Very dishwashing dishes most of the dishwashers do not rinse completely, as a result of which you have to rinse additionally by hand.
• Socket fault. The banal situation, but still sometimes arises.
• Incorrect connection of the dishwasher( for example, the length of the drain hose is greater than the permissible value, or the hose with cold water is loose).
• A bad detergent that does not wash very well or does not wash the dishes at all.
• Perhaps you just loosely closed the door( the mechanism is arranged so that the machine will not turn on until the latches work).It should also be noted that some models do not lock the door in the lower position. If the door does not hold it is not a breakdown of the dishwasher, but a defect in the manufacturing plant.
• Another rather popular cause of the malfunction is incorrect loading of dishes, as a result of which the technician badly washes the lower section or the upper shelf. Even in the instruction the correct loading is discussed - top should be filled with plates and mugs, bottom - with overall kitchen utensils( for example, pans).Another important requirement - glasses and cups should fit upside down.

If not one of these reasons is not the culprit of the failure, then the case in spare parts, which we'll talk about further.

Troubleshooting basic problems

The dishwashing process does not start

This situation: You turned on a certain mode, all indicators light up, the sound of water filling is heard from the camera, it is heated, but the washing process itself does not happen. In this case, the likely causes of damage to the dishwasher may be:

1. The filter located at the bottom of the dipping chamber is clogged. It must be got, as it should be washed and installed back.
   
   
2. The nozzles are clogged, as a result of which the dishwasher does not spray water or it is simply not sprayed properly. In this case, take a toothpick and punch holes. Also clogging the nozzles can cause low pressure during the washing process, as a result of which the pots are not laundered. Looking ahead, I would like to say right away that if the rocker does not turn, first of all it is necessary to check the circulation pump, which often goes out of order.
3. The failure of the circulation pump, the purpose of which is the supply of water to the injectors. The most difficult breakdown of all three, as a result of which the dishwasher does not gain water. All you need is to replace the pump with a new one. To do this, open access to it( located at the bottom of the camera), unscrew all the pipes and attachments to the body of equipment, and then install the working pump.

It is possible to determine the failure of the circulation pump by the characteristic sound of its operation. If there is no noise after filling the water, the most likely reason is there! As you can see, the replacement does not represent anything complicated.

It should also be noted that a possible malfunction of the dishwasher may be damage to the electric motor, or rather its winding. To make sure the engine is working properly, check with the multimeter for inter-turn short circuit and open circuit.

Water overflows

Most likely, the water level sensor has broken down. It is located at the very bottom of the equipment, so for access it will be necessary to turn the dishwasher, then replace the sensor with a new one.

We draw your attention to the fact that if the unit is turned off and water is poured into the chamber, then it is not the sensor, but the electromagnetic valve, which must shut off the supply of liquid. Replacing the valve is not difficult.

Overheating / underheating of water

It happens that the dishwasher overheats or does not warm water. In the first case, the temperature sensor breaks, which entails overheating of the water, formation of a large volume of steam and stopping the operation of the equipment.

As for underheating, there can be several reasons for the malfunction:

• again, the temperature sensor has stopped working;
• weak water pressure( in particular, the pump or nozzles);
• does not work TEN( you need to check resistance with a multimeter).

Do not drain

If after washing, the water does not drain into the sewerage system, the pump may be broken or the drain system clogged, because of which the dishwasher does not drain the water.

As for the first case, here it is necessary to check the drain pump for debris and resistance of the windings. Most likely the water is in the dishwasher due to the fact that the pump is simply hammered, although sometimes the startup may not occur even because of water pressure. If the pump is OK, check the entire drainage system, including the siphon. Most likely, the hose that has just to be cleaned or the filter inside the chamber is clogged.

The housing is broken by the current

If the dishwasher beats current, then with a probability of 99% it can be stated that the heating element is punched - the heating element. All you need to do is open access to the heater and visually inspect it for cracks and other kinds of defects. If the heating element is really damaged, replace it with a new one.

The reason why the heater fails - poor water quality( too stiff).Also another malfunction may be the failure of the TEN switch. The instructions for replacing the part were clearly demonstrated in the video:

control module. It does not pick up the detergent

. If you notice that the dishwasher does not pick up the powder or the tablet, most likely the cause of the failure is the contamination of the nozzles or a weak water pressure,does not enter the dispenser. Also, a probable cause may be a failure of the valve opening mechanism, from which the detergent is washed out. If the valve does not open the water intake( or poorly closes), the tablet may not dissolve completely, as a result of which the technique does not wash the dishes well.

No power supply

If you notice that the time indicator does not even light up or the technician does not respond to the button press, the reasons for the dishwasher malfunction may be as follows:

• broken outlet;
• the door latch has not tripped, or the locking device has burnt;
• the network button does not work;
• the network filter does not work.

In all cases, you need to use a multimeter to check all the electrical circuit elements and find out why the dishwasher does not turn on by the exclusion method. If in your case the dishwasher does not finish the cycle or you can not switch the program - check the programmer and the control unit, most likely the modes do not work because of its malfunction.

Extraneous noise

Extraneous noise indicates that the pump bearings or the motor( blower) have been damaged. Bearings break due to the fact that they get water, which in turn seeps through the damaged packing. The bottom - the dishwasher hums when working. In this case, you will need not only to replace the bearing, but also the oil seal itself, otherwise the problem will again arise after a time. By the way, another cause of extraneous noise may be associated with the pump - garbage has fallen into the area of ​​the sprinkler or impeller. Here everything is simple, remove the debris and check the impeller for defects( possibly blades already damaged, which causes noise).

Cookware does not dry

Some modern models are equipped with the function of drying washed dishes. This process occurs when the fan is installed inside the camera. If you find that the dishwasher does not dry the dishes( or does not dry it), but otherwise functions normally, the fan most likely broke. All you need is to check its winding, as well as the incoming contacts using a multimeter and if there is a need, replace the spare part with a new one. About how to use the multimeter, we told in the relevant article.

Leakage of water on the floor

Well, the last, one of the most popular breakdowns of the dishwasher - the flow of water to the floor under the hull.

There are four main causes of leakage:

• Door seals are unsatisfactory, causing the door to close loosely. They need to either be changed, or if possible, cleaned of plaque.
• The pump seal that pumps water is damaged. It is best to replace it with a new one.
• The clamps on the drain and water supply hose are badly tightened, resulting in leakage. Seals can also not be installed in the joints of the nozzles.
• The water tank located on the side of the machine is damaged. Often the tank is not subject to repair, so it is changed to the whole.

To correctly determine the location of water infiltration, it is recommended to remove the hood and put sheets of newspaper on the floor. Where the paper gets wet and there's a breakdown.

That's all the main malfunction of dishwashers. We hope that now you can repair the equipment yourself if it stops working, starts to make noise or will not drain the water after washing dishes.

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