Error F03 in the Leran washing machine

Occasionally, error codes in Leran washing machines can prevent you from finishing your laundry. The F03 error code is one frequent problem. When your computer suddenly stops working, it can be very annoying, especially if you don’t know what the code indicates or how to resolve it.

Thankfully, the F03 error isn’t as dangerous as it first appears. In order to ensure that your machine heats the water appropriately during a cycle, it typically indicates an issue with either the temperature sensor or the heating element. Restoring the functionality of your washing machine begins with identifying the source of this error.

We’ll explain what the F03 error means, why it occurs, and how to troubleshoot and resolve the problem in this article. By the time it’s through, you’ll be able to determine if the issue can be resolved on your own or if professional assistance is required.

A malfunctioning temperature sensor or heating element is frequently the cause of Error F03 in Leran washing machines, which denotes an issue with the water heating system. Since this error stops the machine from working properly, replacing and inspecting these parts are usually necessary to fix it. Fortunately, it’s a common problem that, with a little basic repair knowledge, can be fixed without professional assistance.

Why sewage does not drain?

After noticing the error code F03 on the screen, you must identify what is causing the issue. A burned-out pump, a malfunctioning electronic module, or a clogged garbage filter could be the cause of the issue. The fact that "dirty" malfunctions have comparable "symptoms" complicates the matter. As a result, you will need to examine each component accountable for the drain individually.

When there are internal or external blockages, issues with the drainage hoses, or malfunctions with the pump and control module, it can be challenging to empty the sewer from the washing machine.

Thus, one possible reason why a drain isn’t working properly is:

• a blockage in the siphon or sewer pipe (to exclude a malfunction, check how the water drains from the sink or bathtub);
• internal blockage of the drainage system elements (we are talking about the debris filter, drainage hose, pipe connecting the tank and the pump);
• failed pump. A broken pump makes a lot of noise when trying to pump out water, but still cannot direct it into the sewer. The part breaks due to natural wear and tear or a short circuit. Sometimes the reason lies in the debris wound around the impeller blades;
• a faulty electronic module. The control unit may fail due to a manufacturing defect, power surges in the network, a short circuit, moisture getting on the board, or a common technical "glitch";
• an incorrectly selected drain hose. On Leran washing machines, as on machines of any other manufacturer, there are pumps of a certain power. If, instead of a standard hose, 1.5 meters long, you connect a 2-3 meter corrugation to the device, the pump will not cope with its task and will not be able to pump water into the sewer.

You can solve most problems on your own. If a damaged control module is the source of the issue, you will require the assistance of an expert. Let’s see where we can begin repairing a Leran machine that has error code F03 displayed.

First, remove the waste water

The automatic machine is "stuck" with a full water tank if an error code appears in the middle of the cycle. You must take the laundry out of the drum and drain the washing machine’s water at the first step. Three alternatives exist for forced drainage:

• through the trash filter;
• through the emergency drain hose;
• through the drain hose.

Using the main hose to drain the water is quicker and simpler. The majority of Leran washing machines lack a check valve within the sleeve, meaning that the "siphon effect" won’t occur. Gravity will force the water to flow into the sewer if the corrugation is lowered below the tank level. Open the drum door and take the wet laundry out of the machine after you’ve unlocked the UBL.

There is an emergency drain hose on some Leran models. It is advised to drain the water through it in this situation. The pipe is situated next to the trash filter at the base of the body, behind the technical hatch door.

Draining the water through the filter is the final choice. The sequence of events in this instance will be as follows:

• disconnect the washing machine from the network and water supply;
• prepare a low but capacious container for collecting water;
• open the technical hatch and find the trash filter;
• cover the floor near the washing machine with rags;
• place a container for collecting water under the machine, in the area of ​​the trash filter;
• turn the plug of the "trash" half a turn, wait until some of the water drains;
• unscrew the filter completely.

A blockage in the drain pipe coming from the tank is the cause if the trash filter is unscrewed but the water still does not drain.

The drain pipe must then be unhooked. Once the washing machine has been emptied, you can start looking for the issue. We’ll keep you informed about our next steps.

Troubleshooting

It is possible to fix a washing machine that is empty and de-energized. You will still need to unscrew the trash filter even if you used the emergency pipe or drain hose to empty the water. The drainage system’s components are inspected in the following order: pump, hoses, impeller, and "garbage can."

Examine the filter element first. Scale and limescale frequently build up on the spiral. If deposits are present, they must be cleaned.

Additionally, when socks, coins, matches, or paper are inside the filter, it stops allowing water to pass through. Make the spiral clean.

Make careful to inspect the filter seat. In the hole, dirt and debris also gather. Take a moist cloth and wipe the walls.

Next, feel the machine’s main drain hose and the drain pipe that joins the pump and tank. You will need to disconnect and wash the components if seals are visible.

The impeller is one of the components that guarantees the drain pump’s functionality. The pump breaks down when threads and hair wind around the blades. To clear the impeller of debris, shine a flashlight on the filter seat.

You should check the pump if there is no doubt that a blockage is not the issue. You must turn off the machine, turn it upside down, and take off the bottom in order to access the pump. Subsequently, the part’s bolts are undone, allowing the element to be extracted from the housing.

It is typically challenging to tell whether a pump is operating correctly just by looking at it. A multimeter is used for pump diagnostics. Installing new components is the only option when dealing with a burnt-out component.

When a Leran washing machine displays error F03, it typically indicates a problem with either the heating element or the temperature sensor. The machine cannot operate properly if one of these components fails because they are necessary to heat the water during a wash cycle.

Try restarting the computer by turning it off and unplugging it for a few minutes if you run into this error. This easy step can occasionally fix momentary issues.

In the event that the error continues, further manual troubleshooting may be necessary. Examine any damaged or loose wiring that may be attached to the heating element or sensor. A safe option is to call a professional if you feel uneasy handling this yourself.

Don’t disregard the F03 error, as continuing to operate the machine without resolving the problem could eventually result in more serious issues. Taking quick action now can prevent a later, more costly repair.

Video on the topic

How to fix error E03 on a washing machine

BOSCH WASHING MACHINE DOES NOT DRAIN WATER, ERROR F03!

Error F03 on an Indesit washing machine

The washing machine does not spin || Washing machine repair in Kaluga

Video review: Leran WMS 43126 WD2 washing machine does not spin.