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Kenmore·Dryerhigh severity
Kenmore Dryer Error Code F23
Exhaust thermistor shorted
Common Causes
- 1Thermistor internally shorted
- 2Wiring shorted
- 3Moisture damage
Step-by-Step Troubleshooting
- 1
Measure thermistor resistance — shorted reads near 0 ohms instead of ~10K
- 2
Disconnect thermistor from wiring — if it reads normal disconnected, wiring is shorted
- 3
Check connector for moisture intrusion — dry with contact cleaner
- 4
Replace thermistor or repair wiring as determined by isolation test
Pro Diagnostic Tip
Applies to models starting with 110.xxxxx (Whirlpool platform). A shorted thermistor makes the board read falsely low temp, potentially causing over-heating. Replace promptly.
You Might Also Notice
- •Dryer runs very hot
- •Clothes overdried or scorched
- •Thermal fuse blows repeatedly
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$75–$175
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
W10857622 exhaust thermistor
Do You Have the Right Tools?
Gas leak detector ($130), thermal fuse tester ($95), belt tension gauge, and vent inspection camera ($180). Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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Gas dryers carry carbon monoxide and explosion risk. Even electric dryers involve 240V circuits that can deliver a fatal shock. Our techs are licensed and insured — let them handle the risk.
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Get Professional Help Now
Error code F23 is a high-severity issue that can cause further damage to your dryer if left unresolved. A licensed technician can diagnose and fix it the same day.
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Frequently Asked Questions
What does Kenmore error code F23 mean?
Kenmore error code F23 indicates: Exhaust thermistor shorted. This is a high-severity issue affecting your dryer.
How do I fix Kenmore error code F23?
Measure thermistor resistance — shorted reads near 0 ohms instead of ~10K Then, Disconnect thermistor from wiring — if it reads normal disconnected, wiring is shorted Then, Check connector for moisture intrusion — dry with contact cleaner There are 1 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my dryer has error F23?
Besides the error code on the display, common signs include: Dryer runs very hot; Clothes overdried or scorched; Thermal fuse blows repeatedly. If you notice any of these symptoms, check your dryer's display panel for error code F23.
How much does it cost to fix Kenmore F23?
Repair costs for Kenmore F23 typically range from $75 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.