Miele Oven Error F89

⚡ Quick Answer: The Miele Oven F89 error indicates a fault with the oxygen sensor, affecting the oven's ability to heat properly and potentially causing unusual sound... ✅ DIY Fixable

What Does Error F89 Mean?

The Miele Oven F89 error indicates a fault with the oxygen sensor, affecting the oven's ability to heat properly and potentially causing unusual sounds. Symptoms include the F89 display on the control panel, failure to complete cooking cycles, and possible safety interruptions. If this error occurs, a reset may temporarily resolve the issue, but persistent problems typically require sensor inspection and replacement.

Common Symptoms:

  • The oven displays F89 on the control panel
  • Oven may not heat or complete cooking cycles
  • Potential shutdown or safety interruption during operation

Possible Causes

  • Oxygen sensor fault (medium)

How to Fix Error F89

DIY Fix Basic checks and reset

  1. Turn the oven off and disconnect power at the socket or circuit breaker for 1–2 minutes to attempt a reset.
  2. After reconnecting power, check if F89 clears and normal operation resumes.

Technician Only Inspect and replace Oâ‚‚ sensor

  1. Access the oven’s internal sensor module area according to the service manual for the specific model.
  2. Test the Oâ‚‚ sensor and associated wiring for continuity, correct signal levels, and connection integrity.
  3. Replace the Oâ‚‚ sensor if testing indicates it is out of specification or faulty.
  4. Reassemble and verify the oven returns to normal function without F89 being displayed.

Parts needed: Oxygen sensor, Associated wiring/harness

🛑 When to Call a Pro:
  • If the F89 error persists after a power reset
  • If you are not comfortable accessing internal components and testing sensors
  • If the oven exhibits unsafe behavior (sparking, burning smell, overheating)

Technical Specifications

wattage 3000W
component Heating Element
resistance 10-30 ohms
part_number Miele 11512300
voltage_rating 240V AC

Common Questions

What does F89 error mean on Miele Oven?

F89 indicates an oxygen sensor fault, causing heating issues and possible unusual sounds.

Can I fix Miele Oven F89 error myself?

Yes, try resetting the oven by disconnecting power for 1–2 minutes to see if the error clears.

How much does it cost to fix F89 error?

Repair costs range from $80 to $250, depending on parts and labor in your area.

When should I call a technician for F89?

Call a technician if the error persists after a reset or if you're uncomfortable accessing internal components.

Data last verified: 2026-02-11

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