Possible Causes of Error code F04:

• Worn carbon brushes: 
  • These are small parts within the motor that transfer electricity and wear down over time. Worn brushes can lead to insufficient power or erratic motor behavior.
• Faulty motor: 
  • In some cases, the motor itself might be malfunctioning due to internal damage or overheating.
• Motor control board issue: 
  • The electronic board regulating the motor might be faulty, sending incorrect signals or experiencing internal problems.
• Wiring issues: 
  • Loose or damaged wiring connected to the motor or control board can disrupt communication and cause malfunction.

Troubleshooting the F04 error code in Bosch Washing Machine

Important Note: Before attempting any troubleshooting, ensure the machine is unplugged and the water supply is turned off to avoid safety risks.

1. Basic Checks:

• Reset the machine: Unplug for 30 seconds and then plug back in. This can sometimes clear temporary glitches.
• Check for blockages: Ensure the drum is not overloaded and no foreign objects are stuck inside, hindering motor movement.

2. Advanced Checks (not recommended for DIY):

• Inspecting carbon brushes: This requires opening the motor compartment, which should be done by a qualified technician due to potential risks and specialized tools needed.
• Testing the motor and control board: This involves electrical measurements and knowledge of specific components, making it unsuitable for DIY attempts.

3. Contact Bosch Customer Service:

Given the potential safety concerns and complexity of diagnosing the exact issue, it's highly recommended to contact Bosch customer service for the F04 error code. They can:

• Provide expert advice based on your specific model and error details.
• Offer solutions like scheduling a qualified technician visit for safe diagnosis and repair.
• Ensure warranty coverage if applicable.

Additional Tips:

• Regularly clean the machine to prevent dust buildup that can affect motor performance.
• Avoid overloading the washing machine to prevent excessive strain on the motor.
• Use the correct detergent type and amount to minimize suds buildup, which can sometimes interfere with motor rotation.

Remember, safety comes first. If you're unsure about any troubleshooting steps or suspect more complex issues, prioritize seeking professional help from Bosch customer service or a qualified appliance technician.