Contents
Appliances are bought to help around the house, so rarely does anyone think about possible problems with the machine. But when that happens, Schaub Lorenz dishwasher errors help pinpoint where the problem is. It is enough to decipher the code and fix the problem with the help of a wizard or home repair.
How are Schaub Lorenz fault codes deciphered?
The code itself means nothing without decryption. The manufacturer always indicates the meaning of errors in the instructions. The built-in self-diagnosis system of the PMM is launched in case of problems in the operation of the machine, determining the cause of the breakdown and displaying symbols on the display. If you do not have the opportunity to look at the instructions, study the list below:
Fault codes flash on dashboard
- F5 means that no water is poured into the dishwasher. The problem is a closed inlet valve, lack of water supply, a clogged mesh filter, a pinched hose.
- F3 suggests that, on the contrary, the liquid continuously enters the tank. Close the intake valve immediately. The reason is either a faulty triac on the module, or a faulty filling valve.
- F2. The waste liquid does not drain from the hopper, which means that there is a blockage in the dishwasher. It is necessary to clean the drainage system, check the pump impeller. It is also worth checking the pump and drain hose, sewerage.
- F8. Problems with the heater. Perhaps the thermistor or heating element is out of order, covered with scale. Defective parts must be replaced.
- F1. An audible signal has sounded, the meaning of which is an overflow in the system. It is worth checking the pressure switch, which is responsible for the water level in the tank.
- FE. Wiring problems. It is necessary to inspect all the wiring of the PMM to determine the location of the damage.
- F6/F7. Overheating has occurred. The problem is in the temperature sensor, which gives incorrect signals to the heating element.
- F9. Incorrect position of the divider. Contact the service center.
If the Schaub Lorenz dishwasher gives error codes, this may be a banal network failure. In this case, a reboot will help.
Here’s how to reset the dishwasher with your own hands:
- Unplug the machine.
- Wait 10-15 minutes.
Connect the plug to the socket.
Did the code disappear? So, the reason is not a failure, but a serious breakdown. What could happen to the dishwasher and how to fix the situation? Below we describe the probable causes of problems, as well as sequential steps to solve them.
Causes of breakdowns of the dishwasher Schaub Lorenz
In addition to obvious breakdowns, there are other problems that are associated with errors in operation or wear of components. Here are the non-obvious causes of malfunctions:
- Poor water quality. Due to the high rigidity, magnesium and potassium salts are deposited on the machine parts, forming scale. Therefore, it is recommended to periodically run an idle cycle to prevent formations.
- Poor cleaning of dishes before loading into baskets. Hard and sharp food residues can block the pump, damage the nozzle, which will lead to leakage.
- Incorrect PMM connection. If the communications are not located according to the instructions, there is a risk of problems with draining and rapid wear of the pump, which is more likely to use up its resource.
What else users of Schaub Lorenz equipment often complain about:
- The program does not start. The reason is a faulty plug and socket, fuse. It is possible that the door does not fit well to the machine body, which prevents the mode from starting.
- Work stopped in the middle of a cycle. Turned off the power or water supply, the pause on the panel is on.
- During washing, a rumble and rattle are heard. Check the placement of the dishes, whether the spray arm rotates normally or is blocked by some object.
- Dishes don’t wash well. The point is overload and improper placement of appliances, clogged filters and sprayers, insufficient amount of detergent.
Now you know why the dishwasher does not work normally. To fix the situation, do repairs. But only if the warranty has already expired. Otherwise, it is better to contact the service center.
Water is not poured into the bunker
Failure codes can report such a malfunction. First of all, press the door tightly against the body. Until the electronic lock is blocked, the wash will not start. Also inspect the inlet hose, which should be straight, without kinks. Make sure the inlet valve is fully open. If the actions did not help to cope with the problem, then:
- Disconnect the hose from the housing.
- Use pliers to remove the filter mesh from the socket.
- Brush the mesh with a baking soda brush and rinse under the faucet.
Removing the mesh filter
The reason may also be in the Aquastop sensor. If water collected in the pan and the float floated up, then the sensor automatically blocked the water supply to prevent a flood. Check the pan, drain the water and inspect the PMM. A leak could have formed in the nozzles and hoses as a result of damage.
The machine does not turn on
Check if there is electricity in the room. Inspect the power cord and plug for damage, connect another appliance to the outlet to make sure it works. As a result of a breakdown or power surge in the network, the contacts of the power button could oxidize, and the electronic board could burn. To check your guesses, you need to disassemble the panel:
- Disconnect the PMM from the network.
- Open the door, unscrew the bolts around the inner perimeter and on top.
- Divide the two halves.
Door separation
- Disconnect the wiring from the control module.
Disconnecting contacts
- Inspect the board at the time of burns. Clean the button contacts.
If the board malfunctions, contact the master. Only he will be able to carry out professional diagnostics and determine whether repairs are needed or it is worth replacing the element.
Water does not go down the drain
Conventionally, drain problems are divided into two categories: those associated with blockages, and those that cause breakdowns. How to fix the problem? Start by checking the system:
- Open the hopper and remove the baskets.
- Pull out the filter in the pan and the mesh behind it.
Removing the filter
- Rinse the parts with warm water, if necessary, soak in citric acid to remove plaque.
- Use a sponge to remove water from the mounting hole.
- Open the pump cover and inspect the impeller. It must rotate freely and not be blocked by a foreign object.
Pump impeller cover
It is also worth checking the drain hose, siphon and sewer for clogging. As a last resort, proceed to inspect the pump. In the event of a breakdown, the pump must be replaced. Here are the disassembly steps:
- Disconnect the machine from the network and communications.
- Turn the body sideways.
- Remove the bottom panel.
- Disconnect the power connector from the pump.
How to unfasten contacts
- Loosen the clamp and remove the hose.
- Turn the knot counterclockwise. Install a new pump and assemble the equipment.
Dismantling the unit
The video shows in detail the replacement of the pump:
PMM stopped in the middle of a cycle
Make sure the correct program is selected and pause is not enabled. Check if the liquid is leaving the hopper normally or if the drain system should be cleaned. Also, work could stop due to a clogged sprayer. The circulation pump under pressure supplies water directly to the sprinklers, and jets fly out through their nozzles and wash the dishes.
Perhaps the holes are clogged with food debris. What to do in such a situation:
- Take the baskets out of the tank.
- Remove the top and bottom impeller.
- Clean the nozzles with a toothpick, wash with soapy water.
Removal of contaminants
Dishes don’t wash well
Repair of a malfunction does not require serious intervention, it is enough to correct operating errors. Do this:
- Place the devices correctly, according to the instructions. Small dishes are located on top, large – below. Forks and spoons should be in a separate compartment. Do not put the dishes tightly together, so water does not fall on the surface and noise is heard from the contact of the devices.
- Make sure that large dishes do not block the rotation of the impeller. In this case, a knock may be heard.
- Add more detergent and make sure that the compartment is also not covered by dishes.
- Remember to use salt, which softens the water and prevents streaks on surfaces.
- Set an intensive program at a high temperature.
- Clean filters promptly.
These rules apply not only to the elimination of poor washing, but also to operation in general. The filter in the pan must be cleaned after each cycle.
Heating problems
Overheating or a complete lack of heating indicate a malfunction in the heater or temperature sensor. The system works like this: the module sends a turn-on signal to the heater. The heating element heats the water, and the temperature sensor controls that it heats up to the temperature clearly indicated in the program. After that, the thermistor sends a signal to the board that the water has warmed up to the desired level, and the heating element turns off.
It looks like a flow heater
The heating element is connected to the pump, and its sensor is connected to the base of the heating element. It is enough to dismantle the pump yourself, disconnect the contacts and pipes to get the part. After that, you can install a replacement.
Remember that the life of the dishwasher is directly dependent on the user. The instruction is not in vain, and in addition to the warranty period, there are a number of rules that must be observed. Take care of your equipment, run idle cycles with special plaque removers. Even ordinary soda and citric acid can cope with scale and mold. This will benefit both the car and your health. The video will help you understand the features of cleaning PMM: