Oven sensor open

Access the oven temperature sensor — it enters the oven cavity through the rear wall, secured by screws
Disconnect the sensor and measure resistance: should be approximately 1080 ohms at room temperature (70F)
An infinite/OL reading confirms an open circuit sensor — replace the sensor probe
Check the sensor wire harness inside the oven cavity for insulation damage from heat exposure
Pro Diagnostic Tip
Before replacing the sensor, check the wire harness. On Maytag MER ranges, the sensor wire runs along the rear oven wall and is exposed to extreme heat during self-clean. The insulation degrades and the conductor breaks at stress points — a wire repair can save replacing the sensor.
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$50–$175
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Combustion analyzer ($300), igniter tester ($120), temperature calibrator ($150), and gas pressure manometer. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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Here's what a professional technician does to resolve this issue:
Diagnose the root cause, test affected components with calibrated meters, replace faulty parts with OEM replacements, and verify proper operation through a full test cycle.
This repair requires combustion analyzers, gas pressure manometers, and temperature calibration instruments. Most homeowners find it safer and more cost-effective to have a licensed technician handle it.
Gas ovens involve live gas lines — a loose connection creates explosion and carbon monoxide risk. Electric ovens run on 240V circuits. Our techs are licensed and insured — let them handle the risk.
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Don't let error code F3-E0 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Maytag error code F3-E0 indicates: Oven sensor open. This is a medium-severity issue affecting your oven.
Access the oven temperature sensor — it enters the oven cavity through the rear wall, secured by screws Then, Disconnect the sensor and measure resistance: should be approximately 1080 ohms at room temperature (70F) Then, An infinite/OL reading confirms an open circuit sensor — replace the sensor probe There are 1 more steps — see the full troubleshooting guide above. If these steps don't resolve the error, contact a professional.
Besides the error code on the display, common signs include: Oven does not heat at all; Display shows extremely low temperature reading; Error appears immediately when oven is turned on. If you notice any of these symptoms, check your oven's display panel for error code F3-E0.
Repair costs for Maytag F3-E0 typically range from $50 to $175 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.