You’re not the only one if your Hansa washing machine has been giving you errors, like error E21. Although this error code can be very confusing, knowing what it means and how to fix it will help you avoid wasting time or becoming frustrated. Error E21 usually indicates that there is a problem with your washing machine’s drainage system. This means that your machine may be experiencing difficulties draining water during or after a wash cycle.
The good news is that you can usually resolve this issue without calling a repair technician by doing it yourself. A clogged drain pump or hose, a blocked filter, or even a problem with the pump itself are common causes of Error E21. Usually, you can fix the problem and get your washing machine operating normally by following a few troubleshooting steps.
To assist you in identifying and resolving the issue, we’ll guide you through a number of quick checks and fixes in the sections that follow. These procedures can assist you in locating and resolving the problem, so your Hansa washing machine will quickly return to its productive self. They range from cleaning the filter to checking the hoses.
| Possible Cause | Solution |
| Drain filter is clogged | Clean the drain filter to remove any debris or lint |
| Drain hose is kinked or blocked | Check and straighten the drain hose, remove any blockages |
| Faulty drain pump | Inspect the drain pump, replace if it"s malfunctioning |
| Water is not draining properly | Ensure that the washing machine is level and not overloaded |
| Electrical issue | Check for loose connections, consult a technician if needed |
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- Checking the tacho sensor
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The meaning of this code
The instructions for the washing machine or the user manual for a particular model can be easily consulted to determine the meaning of the warning that appears. It won’t be an issue if you don’t have technical papers on hand because the majority of Hansa machines have a standard list of error codes. As a result, the machine reports that the drive belt is blocked with error E21 because the tachogenerator isn’t sending out a signal. By the way, this manufacturer frequently experiences the issue mentioned above as a result of engineering flaws. Possible causes of the malfunction include:
- a failed tachogenerator, including loose contacts or a loose mount;
- a broken thermal switch;
- difficult operation of the control board.
The vehicle with E21 must be sent to the service right away if the warranty is still in effect. It is not required to contact professional repairmen in cases involving the tachogenerator and thermal switch if the warranty has expired. Determining who is at fault and what action to take is not difficult. Following the instructions is what matters most.
A drainage problem is usually indicated by an Error E21 on your Hansa washing machine. This frequent error typically indicates that the pump isn’t working properly, which could be the result of a kinked hose, a blocked filter, or a broken pump. In order to fix Error E21, you must make sure that all of the hoses are positioned correctly, check for obstructions in the drain system, and look for any signs of damage on the pump. Gaining an understanding of and resolving this error can help you swiftly restore your washing machine’s functionality.
Checking the tacho sensor
If you want to attempt repairing the breakdown yourself, you must accurately determine what is causing the malfunction. A malfunctioning tacho sensor is typically the source of the E21 error. It is "responsible" for the intensity of the drum revolutions and is situated directly on the engine. You’ll need to take several steps in order to reach the sensor.
- Disconnect the machine from the power supply, sewerage and turn off the water supply tap.
- Provide free access to the unit by moving it away from the wall or pulling it out of the cabinet.
- Remove the back wall by unscrewing the corresponding screws with a Phillips screwdriver.
- Remove the drive belt by pulling the rubber towards you while rotating the pulley.
- Mark the conductors connected to the motor and disconnect them.
Crucial! To ensure proper installation and prevent mixing up the contacts during reassembly, pay attention to markings and take pictures.
- Unscrew the bolts holding the engine and, shaking the motor, remove it from the housing.
- Inspect the Hall sensor attached to the motor, checking the fixation force and the existing contacts. If any of the above has loosened, it is necessary to tighten the terminals, restore the connections and return to the original position.
We test the tachogenerator for operability when the contacts and fasteners are beyond question. It only takes a measurement of the voltage or resistance to accomplish this. First, we remove the connectors and insert the multimeter probes into the contacts to measure the resistance force. When the display displays values between 60 and 70 ohms, the sensor is functioning correctly. A different approach is to measure the output of current. Change the indicator on the device, apply the connectors, and start the engine. About 0.2 Volts is the ideal value.
If the result is negative, the tachometer needs to be replaced. We remove the removed part and take it to the store for clarification because it’s crucial that we get this right. Reinstalling the device follows a similar diagram.
Although dealing with an E21 error on your Hansa washing machine can be annoying, knowing what’s going on can help you fix it more easily. This error typically means that there is a drainage system issue, which prevents the machine from properly pumping out water. It might be the result of a kinked hose, a blocked drain filter, or a problem with the pump itself.
In order to address the issue, begin by inspecting and cleaning the drain filter. It is typically found at the front of the device and is accessible through the opening of a tiny panel. Ensure that nothing obstructional is there. Next, look for any twists or blockages in the drain hose. Make sure it’s in the right place and isn’t clogged.
Should these measures prove ineffective, there may be a more serious issue at hand, such as a malfunctioning pump. To prevent additional harm in such circumstances, calling a qualified technician might be your best option. Keep your washing machine in good working order by giving it regular checks and cleanings to help prevent these problems from arising later.
By comprehending and resolving the E21 error, you can avoid unnecessary stress and time. You can frequently resolve the issue on your own and resume your laundry routine with minimal disruption by following these steps.
