Bosch Oven Error E124
⚡ Quick Answer: The Bosch oven error code E124 indicates a malfunction related to the door latch or door switch. This error often prevents the oven from heating prope... ✅ DIY Fixable
What Does Error E124 Mean?
The Bosch oven error code E124 indicates a malfunction related to the door latch or door switch. This error often prevents the oven from heating properly and may be accompanied by a buzzing sound. Users may notice that the oven door latch appears stuck or fails to engage correctly. While less common, issues with the temperature sensor or wiring can also contribute to this error. Ensuring the door is fully closed and latched is essential for proper operation.
Common Symptoms:
- Error E124 displayed on the oven panel
- Oven fails to start heating
- Oven door latch may appear stuck or fail to engage properly
Possible Causes
- Door latch / door switch undefined state or failure (medium)
- Temperature sensor or related wiring anomaly (less common) (low)
How to Fix Error E124
DIY Fix Basic Inspection and Power Reset
- Ensure the oven door is fully closed and latched.
- Power off the oven at the breaker or unplug it for 5 minutes to clear the error, then restore power.
- Try opening and closing the oven door to see if the latch engages normally.
Technician Only Inspect and Repair Door Latch Assembly
- Disconnect oven from power.
- Inspect the door latch mechanism and door switches for wear, damage, or wiring issues.
- Use a multimeter to test continuity of the door switch circuits.
- Replace the defective door latch or switch as needed.
Parts needed: Oven door latch assembly, Door switch(es), Associated wiring/connectors
Technician Only Optional Sensor/Wiring Diagnostics
- If latch inspection does not resolve the code, inspect the oven’s temperature sensor and associated wiring harness.
- Use a multimeter to check sensor resistance and wiring continuity.
- Repair or replace faulty sensors or wiring as indicated.
Parts needed: Temperature sensor, Sensor wiring harness
- If error persists after inspecting and resetting latch or sensor components
- If internal wiring faults are suspected or if you are uncomfortable performing diagnostics
Next step
Choose the next step for E124
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Door Latch Assembly
Mechanically secures the appliance door and may operate a door-closed safety switch.
- Typical part-only price
- $15 - $80
- DIY difficulty
- Medium
- Estimated time
- 20-60 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Door or Lid Switch
Detects whether the appliance door or lid is safely closed before operation.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Temperature Sensor
Monitors the internal temperature to ensure correct operation and prevent overheating.
Model-compatible Oven parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Non-Scratch Cooktop Cleaner
A routine surface-care product. Confirm that it is approved for the specific glass, ceramic, enamel, or stainless finish.
Oven Thermometer
A diagnostic aid for comparing cavity temperature during a controlled check. It does not prove which internal component has failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | 3000W |
|---|---|
| component | Heating Element |
| resistance | 10-30 ohms |
| part_number | 00491125 |
| voltage_rating | 240V AC |
Common Questions
What does E124 error mean on bosch oven?
E124 indicates a door latch or switch malfunction, preventing the oven from heating.
Can I fix bosch oven E124 error myself?
Yes, you can inspect the door latch and reset the oven's power to troubleshoot the error.
How much does it cost to fix E124 error?
Repair costs for the E124 error range from USD 100 to 300, depending on parts needed.
When should I call a technician for E124?
Call a technician if the error persists after your inspection or if you suspect wiring issues.
Data last verified: 2026-07-25
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