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daikin | ovens-microwaves – Temperature Sensor Fault
Error Codes (F1): Troubleshooting, Fixes & Prevention Tips explained below.

Understanding Temperature Sensor Fault❓

The "Temperature Sensor Fault" error indicates a malfunction in the sensor responsible for detecting the appliance's internal temperature. Temperature sensors, often thermistors or RTDs, provide critical feedback to the control board to regulate heating elements accurately. When this sensor fails—due to wiring damage, corrosion, short circuit, or open circuit—the control system cannot properly measure or control the temperature. This can cause the appliance to overheat, underheat, or shut down unexpectedly as a safety precaution. The error is common in ovens, microwaves, refrigerators, and other temperature-controlled devices. Resolving this fault is essential to ensure safe operation and maintain cooking or cooling performance.

ovens-microwaves - Typical Causes of Sensor Malfunction

  • Physical damage to sensor wiring or connectors.
  • Sensor corrosion due to moisture or spills.
  • Internal short or open circuit in the sensor element.
  • Manufacturing defects or age-related sensor failure.
  • Faulty control board misinterpreting sensor signals.
  • Improper installation or replacement causing connection issues.

ovens-microwaves - Step-by-Step Repair for Sensor Fault❓

  • Power Off and Cool Down

    1. Turn off and unplug the appliance before inspection.
    2. Wait until the unit cools to avoid burns.

  • Locate the Temperature Sensor

    1. Refer to the service manual to find the sensor location.
    2. Typically inside the oven cavity or near cooling coils.

  • Inspect Wiring and Connectors

    1. Check for loose, damaged, or corroded wiring and connectors.
    2. Repair or replace any faulty wiring found.

  • Test the Sensor with a Multimeter

    1. Measure resistance at room temperature and compare with manufacturer specs.
    2. An infinite or zero reading indicates a faulty sensor.

  • Replace the Temperature Sensor

    1. If the sensor is faulty, order a replacement compatible with your model.
    2. Install carefully, ensuring correct wiring.

  • Reset the Appliance and Test

    1. Power on the appliance and run a test cycle.
    2. Confirm that the error no longer appears.

ovens-microwaves - Preventive Measures for Temperature Sensor Issues

  • Avoid spilling liquids inside the appliance cavity.
  • Regularly inspect wiring and connectors for damage or corrosion.
  • Do not force or bend sensor wiring during maintenance.
  • Keep the appliance dry and free from steam buildup.
  • Use only manufacturer-recommended replacement parts.
  • Schedule periodic professional maintenance for sensor checks.

Frequently Asked Questions About Sensor Fault❓

Question: Can I operate the appliance with a sensor fault
Answer: It is not recommended as temperature control will be unreliable and may cause safety risks.
Question: How do I know if the sensor is faulty
Answer: Common signs include inconsistent temperature, error codes, and appliance shutdowns.
Question: Can I test the sensor myself
Answer: Yes, using a multimeter to check resistance, but refer to the manual for correct values.
Question: Is sensor replacement difficult
Answer: It depends on your model, but most are straightforward with basic tools.
Question: Will replacing the sensor fix all temperature issues
Answer: It fixes sensor-related problems, but control board faults may require separate repair.

When to Contact a Technician

If you experience any of the following issues even after completing the recommended troubleshooting steps, please contact an authorized service technician or our support team for further assistance.

  • The same error appears repeatedly after restarting or resetting the unit.
  • Multiple error codes appear simultaneously.
  • The device makes unusual noises, vibrations, or emits a burning smell.
  • The product fails to start, operate, or complete its function despite troubleshooting.
  • There are signs of electrical issues, physical damage, or leakage.
  • An unknown or unlisted error code appears on the display.

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