Quick diagnosis
What this code is telling you
Most likely trigger
Defective RTD sensor probe
Recommended replacement
Oven Temperature Sensor Assembly
Diagnostic path
4 ordered checks
Part fit
Exact model number required
Safety first
Before opening the appliance
Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.
Read the full safety disclaimerRoot cause
Why the control reported this error
The cooking control displays this code when it detects an abnormal temperature, control, lock, or power condition. Verify defective RTD sensor probe first, then inspect for broken wire in harness behind back panel and corroded molex plug terminals before replacing oven Temperature Sensor Assembly.
Symptoms
What you may notice
- ✓Oven bake or broil functions refuse to start
- ✓Beeping error alert
- ✓F30 displayed on panel
Possible causes
Check the most likely causes first
- 1
Defective RTD sensor probe
Start here when it matches your symptoms.
- 2
Broken wire in harness behind back panel
- 3
Corroded molex plug terminals
Diagnostic sequence
Work through these checks in order
Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.
- 1
Check 1
Shut off breaker to range.
- 2
Check 2
Disconnect electrical power before opening panels. Unscrew sensor from back cavity wall and pull harness plug out.
- 3
Check 3
Disconnect electrical power before opening panels. Test probe with multimeter for open circuit.
- 4
Check 4
Replace oven temperature sensor assembly.
Replacement part reference
Oven Temperature Sensor Assembly
Exact OEM part number
Model number required
Fitment note
The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
Verify the appliance model before ordering.
Manufacturers can use different parts under the same error code across model families and production revisions.
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Common questions
Quick answers for this fault
What should I check first for F30?
Start with defective rtd sensor probe. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Does F30 always mean Oven Temperature Sensor Assembly is bad?
No. An error code identifies the condition the control detected, not a guaranteed failed part. Confirm the likely causes and wiring first. The exact OEM part number varies by model and production revision. Verify the complete model number before ordering.
When should I stop troubleshooting F30 myself?
Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Unplug the appliance before removing panels or testing internal components. Do not bypass safety switches or live-test high-voltage, gas, refrigerant, or combustion components unless you are qualified to do so.
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