Bosch washing machine error codes

Bosch washing machines have been popular for a long time now and their customers are increasing regularly. This thing is boosting the searches on Bosch washing machine error codes and its solutions. These error codes are displayed on the washing machine screen and indicate different problems in the machine.

If you know what error codes indicate, implementing its solutions becomes an easy thing to do. For your convenience, we have gathered all the error codes along with their solutions useful for all different versions, models, and categories of the Bosch washing machine.

Bosch washing machine error codes

If you are unable to resolve the error even after implementing the given solution, this could be a hardware issue that requires additional diagnosis and troubleshooting of the problem and it requires deep knowledge and experience. In such cases, seeking help from a professional technician is the best suitable option.

Bosch washing machine error code F01

Cause:

  1. The tank of the washing machine is not filling up with water even after a long period.

Solution:

  1. Thoroughly look at the water hose and remove kinks and repair any leaks.
  2. Check and ensure that the water intake valves of the washing machine are ON.
  3. Remove dust, debris, and dirt from the intake screen. Removing dirt will bring a clear path for the water to pass through.

Bosch washing machine error code F02

Cause:

  1. There is some kind of issue in the heating system of the washing machine.
  2. The heating component is timed out.

Solution:

  1. Check the wiring of heating systems and their different components to ensure there are no broken connections.
  2. Check heating components and if they are at fault, seek professional help for repairing or replacing them.

Bosch washing machine error code F03

Cause:

  1. The water inside the washing machine is taking a lot of time to drain out.
  2. This could be a fault of the drainage hose or the pump itself.

Solution:

  1. Look through the drainage hole and make sure that it is not kinked or there isn’t something blocking the hose.
  2. Check and ensure that the water drainage pump is not clogged due to dirt build-up.
  3. If the pump is at fault, ask a professional for repair or replacement if it’s of no further use.

Bosch washing machine error code E03

Cause:

  1. The washing machine door is not locked properly.
  2. Door locking sensors are covered up with dirt or are faulty.
  3. The locking mechanism is broken or has some issues.

Solution:

  1. Clean the door and its rotating parts and make sure there isn’t cloth or something else preventing the door from being locked properly.
  2. Remove dust from door locking sensors using a soft cloth, tissues, or a cotton swab dipped in a cleaner or rubbing alcohol like IPA. 
  3. Repair the door locking system and if it is broken completely, replace the whole locking mechanism.

Bosch washing machine error code F04

Cause:

  1. This error occurs if there is an issue or fault in the main motor of the washing machine.

Solution:

  1. Make sure that the power cord of the motor is plugged in properly.
  2. Check all connectors and make sure that no connection is broken.
  3. Look through the motor wiring and make sure there isn’t any corrosion or damage.

Bosch washing machine error code F05

Cause:

  1. The washer has felt that the motor start-up is uncontrolled or not as smooth as it should be.
  2. The washer is experiencing high resistance connections.

Solution:

  1. Make sure that the power cord of the motor is properly plugged in.
  2. Check that the motor wiring is safe and sound and connections are in place.
  3. Check the carbon brushes of the machine as they can wear down over time and may need replacement.

Bosch washing machine error code F06

Cause:

  1. This error occurs when NTC (Negative Temperature Coefficient) has experienced a short circuit. NTC is the sensor that ensures the correct temperature for the washer.

Solution:

  1. Look through and ensure that the wiring, connections, and connectors between the heater element to the NTC sensor, are not damaged and are in place.

Bosch washing machine error code F07

Cause:

  1. This error occurs when the washing machine is detecting some kind of fault or defect in the NTC sensor or circuit.

Solution:

  1. Check the wiring and connections between the NTC sensor, board, and the heating element.
  2. If small tweaks don’t help, seek professional assistance as understanding the connections and making sure that they are not loose requires proper knowledge and experience in electronics.

Bosch washing machine error code F08

Cause:

  1. The error occurs if the washing machine detects an open door while it is going to start the program or washing cycle.
  2. Dirt, something stuck, or a faulty locking mechanism can become a cause of this error.

Solution:

  1. Simply close the door if it was open previously.
  2. Clean the door locking sensor as dirt may have covered their vision. Use a clean cloth or a swab dipped in rubbing alcohol such as IPA.
  3. Clean door locking systems if it is damaged or faulty, and replace them once and for all.

Bosch washing machine error code F09

Cause:

  1. This error is reported by the Bosch washing machine when it is heating too much while operating
  2. A faulty thermostat is the major cause of this error.

Solution:

  1. Check the wiring and connections of the thermostat to make sure they are not damaged or need repairing.
  2. If the thermostat itself is defective, replace it with a new one.

Bosch washing machine error code F10

Cause:

  1. Bosch washing machines report this error when different parts of the machine are unable to communicate.

Solution:

  1. Check all the wiring between different communication paths of the washing machine.
  2. Seek professional help to repair any damage or corrosion in the wires.

Bosch washing machine error code F11

Cause:

  1. The heat sink of the Bosch washing machine is heating too much unexpectedly.
  2. The washing machine’s PCB (Printed Circuit Board) is overheating due to any reason which can potentially cause warping in PCB layers.

Solution:

  1. Just contact a professional technician who has proper knowledge of electronics because resolving this PCB overheating is a tricky job.

Bosch washing machine error code F12

Cause:

  1. This error occurs if there is a short circuit in any part of the washing machine, especially in its main motor.
  2. The main motor of the machine is itself defective.

Solution:

  1. Check and repair if there are any worn carbon brushes in the machine.
  2. Seek help from a professional to check the wiring and connection in the main motor of the washing machine.

Bosch washing machine error code F13

Cause:

  1. This error is displayed when too high voltages are being supplied to the Bosch washing machine.

Solution:

  1. You need to call the technician to check the voltages and tweak things to bring them down to a normal level. Don’t touch the main wires and turn OFF the machine if it’s showing F13.

Bosch washing machine error code F14

Cause:

  1. This error is displayed when voltages being supplied to the Bosch washing machine are less than required.

Solution:

  1. Seek help from an electrician to check the voltages and tweak things to bring them up to a normal level. Don’t touch the main wires and turn OFF the machine.

Bosch washing machine error code F15

Cause:

  1. This error is solely caused when the temperature sensor on the machine’s motor PCB (Printed Circuit Board) is defective in any aspect.

Solution:

  1. Check all the wiring and connections of the temperature sensor on the main motor. Seek professional help if you are not knowledgeable or skilled enough.

Bosch washing machine error code F16, E16

Cause:

  1. An opened door, while the washing machine is about to start its operation, is the only cause of this error.
  2. This can happen due to dirt, something blocking the door, or a faulty locking system.

Solution:

  1. Close the door shut.
  2. Check if something is preventing the door from closing such as a cloth or too much dirt.
  3. Replace the locking system if it is damaged, clogged, or defective in any regard.

Bosch washing machine error code F17, E17

Cause:

  1. This error occurs if there is an issue in the water inlet valve. This prevents the water from going fully into the washing machine.

Solution:

  1. Check the inlet valves and ensure that they are turned ON to the maximum so that the required amount of water can be supplied into the washing machine while it is running on a cycle.

Bosch washing machine error code F18, E18

Cause:

  1. This error occurs when the pump or the drainage system is timed out. prevents
  2. This can happen due to any kind of blockage in the drainage hose or the pump itself.

Solution:

  1. Check the drainage hose and the pump to remove dirt or anything blocking the normal flow of water.
  2. Check and ensure that the drain hose is installed in its intended position and doesn’t have any leaks.

Bosch washing machine error code F19, E19

Cause:

  1. These errors are only displayed on Bosch washing machine screens when the heating time of the washing machine has exceeded way more than its normal period.

Solution:

  1. Call a professional technician and ask for help as this thing mostly includes deep work and knowledge of electronics.

Bosch washing machine error code F20, E20

Cause:

  1. This error occurs when the washing machine is experiencing a heating system fault.
  2. The main board or the thermostat could be defective.

Solution:

  1. Check the thermostat to make sure that it is fine and working as well. If it’s not working, you may need to replace it.
  2. Check the main circuit board and replace it, if needed.

Bosch washing machine error code F23, E23

Cause:

  1. This error occurs when the washing machine detects water on the base trough. This can potentially happen if there is some leakage in the washing machine.

Solution:

  1. Check and make sure that the flood switch of the Bosch washing machine is turned OFF.
  2. Take a thorough look at the washer to see if there are any leaks. Immediately call for repairs, if required.

Bosch washing machine error code E27

Cause:

  1. This error occurs when the pressure system is experiencing some technical issues and is not functioning properly.

Solution:

  1. The error can be taken down by repairing or replacing the pressure switch.
  2. Try replacing the level switch, if you are still getting this error.

Bosch washing machine error code F28, E28

Cause:

  1. Any issue in the flow sensors can lead to Bosch washing machines displaying these errors.
  2. Broken connections in the circuits and a faulty flow meter can be cause of it.

Solution:

  1. Check and verify that all the wiring and connections of the circuits are in place and secured.
  2. Check if the flow meter is defective. Replace it if that’s the case.

Bosch washing machine error code F42, F43, F44

Cause:

These errors can occur due to multiple reasons but the issue will be in the washing machine’s main motor. Potential causes could be:

  1. The machine is overloaded with too many clothes in it.
  2. There is some object stuck under the tank of the washing machine.
  3. Carbon brushes are worn in the motor.
  4. The wiring, connectors, connections, and maybe the power cord itself is damaged or worn.

Solution:

  1. Check if your washing machine has too many clothes or if multiple clothes are trapped and stuck on one side of the washing machine drum.
  2. Remove the object if it is stuck right under the washing machine drum.
  3. Take a look at carbon brushes and replace them if they are worn out.
  4. Check by yourself or seek, professional help to inspect the wiring and connectors of the washing machine motor.

Bosch washing machine error code E56

Cause:

  1. This error is displayed on the washing machine screen if different parts of it are unable to communicate.

Solution:

  1. Go to the machine power button and turn it OFF for a few seconds. Then turn the machine ON again. Doing so will reset it and will mostly resolve the error.
  2. If you don’t get any response after resetting, you may call a professional as this could be a hardware issue such as broken connections or wiring.

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