F24
JennAir
Water Temperature Sensor Out of Range
Display shows F24 and cycle may stop during wash or rinse.
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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 or open NTC sensor, wiring short to ground, heater overheating water, control misreading temperature
How to Fix / Troubleshooting
Safety first: Disconnect power and allow hot water to cool.
- Inspect NTC sensor: Access the wash heater area and locate the NTC. Check for damage or loose connection.
- Check wiring harness: Look for pinched, frayed, or burnt wires between the NTC and control board.
- Test sensor: Measure resistance at room temperature and compare to JennAir specifications. Replace if out of range or intermittent.
- Re-test cycle: After replacing the sensor or repairing wiring, run a warm wash and monitor for F24.
When to call a technician: If the sensor and wiring are good, the control board may be faulty and should be evaluated by a technician.
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Repair Difficulty
Medium
3/5
Required Part
NTC Temperature Sensor
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