Suddenly caught fire faucet symbol on your dishwasher's control panel Bosch It is a signal that cannot be ignored. Most often, this indicator reports a problem with the supply of water or, which is even more common, with its withdrawal. The self-diagnosis system detects a violation of the standard work cycle and blocks the launch of programs to prevent the kitchen from flooding or equipment from failing.
You shouldn't panic in such a situation. In most cases, the reason lies in the banal clog of the filter or inflection of the drain hose, which can be eliminated with your own hands in 15 minutes. However, sometimes a burning crane indicates more serious technical malfunctions that require specialist intervention. We will analyze in detail all possible scenarios.
Decoding of the indication and error codes
The first thing to do for the owner of the equipment BoschUnderstand what the display is saying. Depending on the model and series (e.g., Maxx, Silence Plus or embedded series SPV), the indication may look different. Often it is just a burning faucet, but in more advanced models it can flash or be accompanied by a numerical code such as: E09, E15 or E24.
If the indicator is constantly on, it usually means that the machine cannot draw water or, conversely, cannot drain it in the allotted time. A flashing signal often indicates a leak into the pallet (system) AquaStop) or critical clogging of the filter system. It is important to distinguish between these states, as the algorithm of actions will be radically different.
Modern models are equipped with a system Home ConnectIt can display a text description of the error directly on the smartphone screen. If you have such a feature, be sure to check the app, as it gives the most accurate diagnosis of the current state of the unit.
⚠️ Attention: If you hear a continuous sound of a pump running with the tap indicator even after the machine is turned off, immediately close the water supply valve at the entrance to the device. This is a sign that the leak protection system is activated, but the valve may have stuck in the open position.
Drilling problems: blockages and filters
The most common reason why the faucet lights up is because the machine cannot pump water. The laundry cycle is complete, but there is a dirty liquid splashing inside. In 80% of cases, food gruel, fat or accidentally trapped bones that blocked the work are to blame. drain-pump Or they cut off the water from the sewer.
Start your diagnosis by examining the filtration group. It is at the bottom of the sink under the lower sprinkler. You will need to remove the mesh filter rough cleaning and flat filter glass. Wash them thoroughly under hot water using a degreasing agent. Do not use hard brushes to avoid damaging the small net.
After cleaning the filters, be sure to look into the hole where they were standing. There is often accumulated debris, which must be carefully removed with tweezers or a rag. Also check the condition of the return valve if it is visible - it should move freely.
☑️ Cleaning the drain system
If the filters are clean, the problem may be deeper. Check the drain hose going from the car to the sink siphon. It could have flipped, especially if the car was built-in and was snug against the wall. Also, there is often a clog in the place of connecting the hose to the sewer pipe, where a fat stopper forms over time.
Water withdrawal problems
A situation where the crane is on fire but the car is buzzing and not drawing water indicates problems at the entrance. First, check if the shut-off valve on the water pipe is open. Sometimes it is accidentally touched when cleaning or washing floors. The pressure in the system also plays a role: if the pressure is too weak, the electronics Bosch It may be considered a malfunction and stop the program.
The second important element is valve (aqua valve) At its entrance there is a small filter mesh, which protects the mechanism from rust and sand from pipes. Over time, it clogs and water simply doesn’t get inside the car. To clean it, you need to block the water, unscrew the filler hose from the dishwasher body and carefully remove the net with pliers.
If the grid is clean and the water is not coming, it may be that the electromagnetic valve coil has burned or the wiring has been disrupted. In this case, it is required multimeter And most likely, a replacement part. It makes no sense to repair the electronic components of the valve on your own, it is easier to install a new original.
When cleaning the inlet filter, use an old toothbrush to clean the rust from the mesh cells, but act carefully to avoid piercing the filter material.
Diagnostics of AquaStop and Leaks
Dishwashers series Bosch It is famous for its reliable system of protection against leaks AquaStop. If you see a crane burning and the inside of the car is dry, check the pallet. In the lower part of the case (under the metal bottom of the working chamber) there is a plastic pallet, where water flows in any, even microscopic leak.
There's a float in the pallet. When water appears there, the float pops up and closes the contacts, giving the electronics command to block the water and turn on the drain pump in emergency mode. That is why the car can hum even when turned off. To reset the error, you need to eliminate the leak and draw water from the pallet.
Where can water come from in a pallet? There are several options:
- 💧 A crack in the nozzle or hatch cuff.
- 💧 Depressurization of connections inside the housing.
- 💧 Excessive foaming due to inappropriate detergent.
- 💧 Condensate flowing down the walls with poor ventilation of the niche.
To access the pallet, the car often has to be placed on its side (on the right side, if you look from the front), having previously laid a soft blanket so as not to scratch the facade. Be careful: there may be water in the pallet, so prepare rags and a container to collect it.
| Symptoms. | Probable cause | Difficulty of repair |
|---|---|---|
| The faucet is on fire, the water is inside | Filter or drain hose clog | Low (you can do it yourself) |
| Crane's on fire, car buzzing | Activated AquaStop (water in the pallet) | Medium (lower access required) |
| The faucet is blinking, the water is not dialing. | Intake valve malfunction | High (replacement of the part) |
| The error appears periodically. | Weak water pressure or contaminated netting | Low (net cleaning) |
Failures of the drain pump (pump)
If the filters are perfectly clean, the hoses are blown, and the water still does not go away, a failure is likely. pump-pump. It's the heart of the drainage system. In dishwashers. Bosch Reliable pumps are used, but they also have their own resource or can suffer from voltage surges.
You can diagnose the breakdown by sound. If you hear a characteristic buzzing when trying to drain, but the water is standing still, it is possible that the impeller of the pump is blocked by a foreign object (glass, bone) that passed through the filters. If there is silence or only a slight click is heard, most likely the engine winding has burned or the contact has gone away.
Replacement of the pump is a technically simple procedure, but requires partial disassembly of the body. You need to remove the side wall, disconnect the terminals and clamps, then install a new node. When buying a new part, pay attention to the marking, as pumps for different series Bosch They may differ in the shape of the attachment or the length of the cable.
How to check the pump multimeter?
To check, disconnect the terminals from the pump and put the multimeter into resistance measurement mode (Oms). The normal resistance of the winding of a serviceable engine is from 150 to 300 ohms. If the device shows infinity (break) or zero (short circuit), the pump is faulty and requires replacement. Also check whether the impeller is freely rotating with your finger - it should spin with a little effort, but without jamming.
Failures in the electronics and control module
Rarely, but it happens that the mechanical part is working, the water is dialed and drained, and the crane error does not disappear. This may indicate a software "glitch" or malfunction control. Electronics could receive impulse interference from the network, which led to a failure in the logic of the work.
The first thing you should try is a full reset. Disconnect the dishwasher from the network not through a button, but by taking the plug out of the socket. Leave her alone for 15-20 minutes. This will allow the capacitors to discharge, and the controller’s memory to be cleared of temporary errors. After turning on, run a short program without dishes.
If after rebooting the error returns immediately or during the washing process, the problem may lie in the oxidation of the contacts of the wiring going to the water level sensors or pressostat. Moisture and vibration do their job, so sometimes it is enough to simply clean and reconnect the connectors inside the case.
Full power reset (pulling out of the socket for 15 minutes) eliminates up to 30% of software errors associated with false indicator operation.
⚠️ Attention: Do not try to run the dishwasher with a faulty drain again. This can cause water to spill over the edge of the filter and into the electrical part of the machine, causing the control module to short circuit.
Prevention and proper care
To avoid a crane error that takes you by surprise, it is important to follow the rules of operation. Regular cleaning of filters is not just a recommendation, but a necessity. Do this once a week if you use the car frequently. Once a month, it is useful to start the idle cycle with a special dishwasher cleaning tool that dissolves fat deposits in hidden cavities.
Watch the quality of the detergents. The use of conventional gels for washing dishes or powders with low foaming is unacceptable. Abundant foam can get into the sensors and cause a false alarm of the protection system, which will lead to a crane error and block the work.
Also check the condition of the drain hose. If it is lying on the floor, make sure it is fixed at a height of 50-60 cm from the floor (siphon loop) before descending into the sewer. This will prevent dirty water from flowing back from the sewer to the machine when the pump is off.
Use salt for dishwashers even if you have soft water. This will prolong the life of the ion exchanger and prevent the formation of scale on the heating element, which indirectly affects the work stub of the entire unit.
When is the time to call the master
Despite the desire to save money, there are situations when self-repair can become more expensive than a professional one. If you checked all the filters, hoses, made a reset, but the error persists, and the water does not go away or does not get collected - a problem inside the housing. Further disassembly without experience can damage the fragile plastic fasteners or leakage.
It is especially dangerous to get inside if the car is under warranty. Violation of seals immediately cancels the manufacturer's warranty obligations. In such cases, it is better to call an authorized specialist who will conduct a diagnosis using a service tester.
Also, the help of professionals is needed if you need to replace the control module, repair the wiring inside the tourniquet or replace the engine bearings (in models with an inverter motor). These works require special tools and deep knowledge of the device of a particular series. Bosch.
Why does the faucet burn after replacing the filters?
If you cleaned the filters but the error didn’t reset, it’s possible that the water level sensor (pressostat) is stuck or there’s still water in the tube going to it. Try blowing the tube of the pressostat or gently tapping it. The error may not disappear until the machine completes a full drain cycle, so try running the Plum or Rinse program.
Can I use the car if the crane is on fire?
Operate dishwasher with a burning indicator of the tap is strictly not recommended. If the problem is the drain, you risk flooding your neighbors from below the next run. If the problem is in the set, you will get unwashed dishes and risk burning the TEN, which can turn on without water. It is better to eliminate the cause before the next wash.
What does the flashing faucet mean on the Bosch display?
The flashing indicator most often indicates activation of the AquaStop system (leakage into the pallet) or a critical violation of the filling / drain time. Unlike a constantly burning sign, blinking often requires immediate intervention: blocking the water and checking the pallet for fluid. Ignoring the flashing signal can cause severe kitchen flooding.