Bosch Oven Error F18

⚡ Quick Answer: The Bosch oven error code F18 typically indicates a malfunction in the temperature sensor. This can lead to erratic temperature readings and inconsist... ✅ DIY Fixable

What Does Error F18 Mean?

The Bosch oven error code F18 typically indicates a malfunction in the temperature sensor. This can lead to erratic temperature readings and inconsistent cooking results, making it crucial to address the issue to ensure proper oven functionality. Checking the owner’s manual for troubleshooting steps specific to your model is highly recommended.

Possible Causes

  • Temperature Sensor
  • Wiring Issues
  • Control Board Malfunction

How to Fix Error F18

DIY Fix Check for Official Documentation

  1. Locate your specific model’s owner manual.
  2. Look up error F18 in the official troubleshooting section.
  3. Follow any documented steps from the manual if available.

Technician Only Contact Bosch Support

  1. Provide the full model number and F18 code to Bosch service or a certified appliance technician.
  2. Request official diagnostics for error code F18.
  3. Have a technician inspect internal sensors and control boards if needed.
🛑 When to Call a Pro:
  • If an error code appears that is not documented in the manual and the oven is inoperable or unsafe to use.
  • If attempts to reset power do not clear the error and normal oven functions are disrupted.

Next step

Choose the next step for F18

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Temperature Sensor

Monitors the internal temperature to ensure correct operation and prevent overheating.

Typical part-only price
$15 - $35
DIY difficulty
Easy
Estimated time
15-30 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.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

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Technical Specifications

wattage N/A
component Temperature Sensor
resistance 1000-2000 ohms
part_number 00490060
voltage_rating 120V AC

Common Questions

What does F18 error mean on bosch oven?

The F18 error indicates a malfunction in the temperature sensor, causing erratic temperature readings.

Can I fix bosch oven F18 error myself?

Yes, you can check the owner's manual for troubleshooting steps associated with the F18 error.

How much does it cost to fix F18 error?

Repair costs for the F18 error can vary based on the specific model and region.

When should I call a technician for F18?

Call a technician if the error persists after a reset or if the oven becomes inoperable.

Sources & References

Data last verified: 2026-01-16

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