Bosch Washing Machine Error E03

⚡ Quick Answer: The Bosch washing machine E03 error indicates a door lock feedback failure, preventing the machine from detecting that the door is securely closed at ... ✅ DIY Fixable

What Does Error E03 Mean?

The Bosch washing machine E03 error indicates a door lock feedback failure, preventing the machine from detecting that the door is securely closed at the start of a wash cycle. This issue may manifest as the washing cycle not starting, unusual sounds during the spin cycle, or the error code appearing shortly after trying to initiate a wash. Checking the door and latch for proper closure can often resolve the issue.

Common Symptoms:

  • Washing cycle will not start and stops before fill/spin
  • Door won’t lock or machine indicates door not securely closed
  • Error appears immediately or shortly after attempting to start a wash

Possible Causes

  • Door lock mechanism failure (medium)

How to Fix Error E03

DIY Fix Check the door and latch

  1. Make sure no clothing is caught between the door and seal.
  2. Close the door firmly until you hear a solid click.
  3. Verify the door sits flush and is not visibly misaligned.

DIY Fix Power cycle the washer

  1. Turn off the washer and unplug it from the power outlet.
  2. Wait 1–2 minutes to allow residual power to drain.
  3. Plug it back in and attempt to restart the wash cycle.

Technician Only Test and replace door lock assembly/switch

  1. Disconnect power and access the door lock assembly at the hinge area.
  2. Use a multimeter to test resistance and continuity of the lock and switches.
  3. Inspect harness and connectors for damage; repair or replace as needed.
  4. Replace the door lock assembly if faulty.

Parts needed: Bosch door lock assembly, Door lock switches, Wiring harness/connectors

Technician Only Control board diagnostic/replace if needed

  1. Check for proper voltage signals from the control board to the door lock during a start attempt.
  2. Inspect for burnt components or failed outputs on the board.
  3. Replace the control board if it fails to send the lock activation signal.

Parts needed: Washing machine control board

🛑 When to Call a Pro:
  • If the door lock mechanism cannot be accessed or tested safely by the user
  • If visual damage to wiring or internal components is found
  • If the error persists after basic checks and power cycling

Technical Specifications

wattage 50W
component Drain Pump
resistance 10-20 ohms
part_number Bosch 00619832
voltage_rating 120V AC

Common Questions

What does E03 error mean on Bosch washing machine?

E03 error indicates a door lock failure, preventing the machine from starting the wash cycle.

Can I fix Bosch washing machine E03 error myself?

Yes, check the door and latch for proper closure and power cycle the washer to attempt a reset.

How much does it cost to fix E03 error?

Estimated repair costs range from ¥8,000 to ¥25,000, including parts and labor.

When should I call a technician for E03?

Call a technician if the door lock mechanism cannot be safely accessed or if the error persists after basic checks.

Data last verified: 2026-01-16

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