Monogram Range F1 Error: Oven sensor fault
The F1 error on a Monogram range indicates a faulty oven temperature sensor (RTD probe) or a problem with the electronic oven control board. The sensor may be reading out-of-range resistance values, triggering a safety shutdown.
~15%
DIY Fixable
From $200
Typical Repair Cost
1–3 hrs
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. Do not use the oven when F1 is displayed. Without a functioning temperature sensor, the control cannot regulate oven heat safely. The cooktop burners may remain usable.
Can I reset the code?
Yes. A circuit breaker reset for 60 seconds will clear F1 temporarily. If the code returns, the sensor or control board has a real fault that requires physical repair.
When to stop immediately?
Stop if you notice: You smell burning plastic or see smoke near the control panel, The oven continues to heat after you turn it off.
Symptoms You May Notice
Oven shuts off mid-cycle
The oven turns off unexpectedly during baking or broiling and displays F1 on the control panel.
Oven will not heat
The oven fails to begin heating after a cooking function is selected; F1 appears almost immediately.
Intermittent beeping at rest
The range beeps repeatedly and shows F1 even when no oven function has been selected.
Uneven cooking before shutdown
Food cooks unevenly or slowly because the oven temperature swings widely before the code appears and the oven cuts out.
Possible Causes
Faulty oven temperature sensor (RTD probe)
The RTD sensor probe has drifted outside its normal resistance range (approximately 1,080 ohms at room temperature for most GE sensors).
DIY PossibleDamaged sensor wiring harness
The wiring between the sensor and the control board has a broken wire, corroded connector, or heat-damaged insulation.
DIY PossibleFailed electronic oven control board
The main EOC board is malfunctioning and misreading sensor input even when the sensor itself is good.
Requires ProfessionalSafe Checks You Can Do
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1
Power Reset
Turn off the range at the circuit breaker for 60 seconds, then restore power and try again.
If F1 does not return, a momentary voltage spike caused the code and no repair is needed.
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2
Check Sensor Resistance
Unplug the range. Disconnect the oven temperature sensor from its wiring harness at the rear of the oven cavity. Set a multimeter to the ohms (resistance) setting and measure across the two sensor terminals. A good sensor reads approximately 1,080 ohms at room temperature.
A reading significantly higher or lower than 1,080 ohms — or an open-circuit (OL) reading — confirms the sensor has failed and must be replaced.
Tools required -
3
Inspect Sensor Wiring
With the range unplugged, visually trace the wiring harness from the sensor connector through to the control board. Look for burned insulation, pinched wires, or connectors that have pulled loose.
Heat damage to the wiring near the oven cavity wall is a common finding on older ranges.
When to Call a Professional
Contact a qualified technician if:
- Sensor resistance measures correctly at 1,080 ohms but F1 keeps returning
- Replacing the temperature sensor did not resolve the code
- The control board shows visible signs of heat damage, burn marks, or arcing
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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