F:25
What code F:25 means on a Kenmore tumble dryers, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Kenmore F:25 means: Inlet thermistor failure. The documented cause is: The control detects an electrically shorted inlet thermistor (temperature sensor). Unplug the dryer and check the resistance of that thermistor, which should be about 50,000 ohms.
What F:25 means
Inlet thermistor failure
The display shows F:25 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| The control detects an electrically shorted inlet thermistor (temperature sensor). Unplug the dryer and check the resistance of that thermistor, which should be about 50,000 ohms |
| If the inlet thermistor is defective, replace it |
| NOTE: The inlet thermistor is combined with the high-limit thermostat on this dryer |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine before removing any panel. Lint is flammable: never run a dryer with the filter removed, and clear the duct if the code points to airflow.
What to check, in order
From the quickest check to the one that needs a technician.
Find a specialist
TroubleAtlas Pro
TroubleAtlas Certified
What is the TroubleAtlas Score?
Beyond fault codes and specialists, we rate the reliability of appliance brands and models — a transparent score that owes nothing to the manufacturer. The reference to check before you buy or repair.
See all appliance scores →TA YouTube Channel
Frequently asked questions
What does F:25 mean on a Kenmore?
Inlet thermistor failure The documented cause is: The control detects an electrically shorted inlet thermistor (temperature sensor). Unplug the dryer and check the resistance of that thermistor, which should be about 50,000 ohms. If the inlet thermistor is defective, replace it. NOTE: The inlet thermistor is combined with the high-limit thermostat on this dryer
Can I fix F:25 myself?
It depends on the part involved: The control detects an electrically shorted inlet thermistor (temperature sensor). Unplug the dryer and check the resistance of that thermistor, which should be about 50,000 ohms. If the inlet thermistor is defective, replace it. NOTE: The inlet thermistor is combined with the high-limit thermostat on this dryer Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Kenmore use other codes on this appliance?
Yes: we document 65 other codes for Kenmore on this tumble dryers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.