F05
Bertazzoni
Oven Temperature Sensor Short Circuit
Display shows sensor short error; oven may refuse to start or immediately shuts off heating.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Shorted NTC sensor, Sensor wires shorted together, Moisture ingress in sensor connector, Harness pinched against metal chassis
How to Fix / Troubleshooting
Safety first: Disconnect power at the breaker before inspection.
- Measure sensor resistance: Access the sensor connector at the rear. If resistance is very low (near 0 Ω), the sensor or wiring is shorted. Replace the sensor if the short is within the probe.
- Inspect harness routing: Look for areas where the sensor cable is crushed or pinched by mounting brackets or the oven casing. Free the cable and repair or replace damaged sections.
- Dry and clean connectors: If there are signs of moisture or grease in the connector, dry thoroughly, clean with electrical contact cleaner, and ensure a tight fit.
- Retest operation: After replacing or repairing, restore power and test a low-temperature bake cycle to confirm the error is cleared.
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Repair Difficulty
Medium
3/5
Required Part
Oven Temperature Sensor (NTC Probe)
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