Bosch Oven Error E126

⚡ Quick Answer: The Bosch oven error E126 indicates a malfunction in the door latch or door lock mechanism, leading to lost signals that prevent the oven from heating... ✅ DIY Fixable

What Does Error E126 Mean?

The Bosch oven error E126 indicates a malfunction in the door latch or door lock mechanism, leading to lost signals that prevent the oven from heating correctly. This error can result in the oven failing to start or showing a locked status, as the heating elements are disabled due to the malfunction. Ensuring the door is fully closed and resetting the oven may resolve the issue, but further inspection may be necessary.

Common Symptoms:

  • Error appears when attempting to use oven
  • Heating elements disabled due to lost door lock/unlock signal
  • Oven may fail to start or show locked status

Possible Causes

  • Door latch / door lock mechanism failure (medium)

How to Fix Error E126

DIY Fix Check and reset oven

  1. Ensure oven door is fully closed and not obstructed.
  2. Turn off the oven at the circuit breaker or unplug for at least 1 minute to reset.
  3. Restore power and attempt to operate the oven again.

Technician Only Inspect and repair door lock/latch assembly

  1. Verify continuity of door latch switches and lock mechanism with multimeter.
  2. Inspect wiring between door switches and control board for damage or disconnection.
  3. Replace faulty door latch/lock assembly as needed.

Parts needed: Door lock/latch assembly, Door switch(es), Associated wiring/connectors

🛑 When to Call a Pro:
  • If oven door will not latch or unlock properly after reset
  • If you are not comfortable testing electrical components
  • If error persists after basic user troubleshooting

Technical Specifications

wattage N/A
component Temperature Sensor
resistance 1000 ohms at room temperature
part_number 00491530
voltage_rating 240V AC

Common Questions

What does E126 error mean on Bosch oven?

E126 indicates a door latch or lock malfunction, preventing the oven from heating.

Can I fix Bosch oven E126 error myself?

Yes, check the door latch, ensure the door is closed, and reset the oven by turning it off.

How much does it cost to fix E126 error?

Repair costs for the E126 error range from ¥10,000 to ¥40,000, depending on parts and labor.

When should I call a technician for E126?

Call a technician if the door won't latch or unlock after a reset, or if you're uncomfortable with electrical components.

Sources & References

Data last verified: 2026-01-16

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