Kenmore Dryer Error Codes

Complete Kenmore Dryer Guide

This guide explains all Kenmore Dryer error codes (CH series) with simple troubleshooting steps to help you identify and fix common issues safely before calling a technician.

AF
Restricted Airflow Detected
  • Clean lint filter thoroughly.
  • Inspect vent hose for blockages or kinks.
  • Check exterior vent cap for obstruction.
  • Ensure proper airflow path to outside.
F01
Main Control Failure
  • Power cycle dryer for 5–10 minutes.
  • Inspect control board for visible damage.
  • Check wiring harness connections.
  • Replace control board if needed.
F02
Thermistor Fault
  • Test thermistor resistance.
  • Inspect wiring for damage.
  • Check for moisture or corrosion.
  • Replace thermistor if defective.
F03
Outlet Thermistor Error
  • Inspect outlet temperature sensor.
  • Check sensor wiring connections.
  • Test sensor resistance values.
  • Replace faulty thermistor.
F04
Inlet Thermistor Error
  • Inspect inlet temperature sensor.
  • Check harness connections.
  • Clean sensor terminals.
  • Replace sensor if faulty.
F20
Heating Circuit Failure
  • Inspect heating element.
  • Check thermal fuse continuity.
  • Verify wiring connections.
  • Replace failed heating components.
F22
Exhaust Temperature Issue
  • Clean exhaust vent system.
  • Remove lint buildup from ducts.
  • Test exhaust thermistor.
  • Verify proper airflow.
F23
Temperature Sensor Failure
  • Inspect temperature sensor wiring.
  • Test sensor operation.
  • Check for loose connections.
  • Replace defective sensor.
F25
Motor Relay Error
  • Inspect motor relay circuit.
  • Check control board output.
  • Verify motor wiring.
  • Replace faulty relay.
F28
Moisture Sensor Fault
  • Clean moisture sensor strips.
  • Inspect sensor wiring.
  • Remove residue buildup.
  • Replace sensor if unresponsive.
F30
Restricted Vent Error
  • Inspect entire vent system.
  • Clean lint from ductwork.
  • Verify outside vent operation.
  • Shorten vent path if necessary.
F31
Low Airflow Condition
  • Clean lint filter completely.
  • Inspect blower wheel.
  • Check vent hose installation.
  • Remove airflow restrictions.
F70
Communication Error
  • Check wiring between control boards.
  • Power cycle appliance.
  • Inspect connectors for looseness.
  • Replace failed board if required.
F71
User Interface Communication Fault
  • Inspect display board connections.
  • Restart dryer.
  • Check ribbon cable condition.
  • Replace interface board if needed.
E1
Heating Element Failure
  • Test heating element continuity.
  • Inspect thermal fuse condition.
  • Check heater wiring.
  • Replace heating element if faulty.
E2
Motor Failure
  • Inspect drive belt and drum movement.
  • Check motor wiring connections.
  • Test motor resistance.
  • Replace motor if defective.
E3
Door Switch Error
  • Ensure door is fully closed.
  • Inspect door latch assembly.
  • Test door switch continuity.
  • Replace faulty switch.
E4
Drum Rotation Failure
  • Inspect drive belt condition.
  • Check drum rollers.
  • Verify motor operation.
  • Replace worn components.
E5
Power Supply Error
  • Verify outlet voltage.
  • Inspect power cord condition.
  • Check household breaker.
  • Restore proper power supply.

Frequently Asked Questions


Why is my Kenmore dryer not starting?
Check that the dryer door is fully closed and latched. Verify power supply, inspect circuit breaker, and ensure start button is functioning properly.
Why is my Kenmore dryer not heating?
Check overheating protection system. Inspect thermostat and thermal fuse. Ensure proper power supply and test heating element condition.
Why is my Kenmore dryer taking too long to dry clothes?
Clean lint filter thoroughly. Inspect vent hose for blockages or kinks. Ensure proper airflow to outside vent and avoid overloading.
Why is my Kenmore dryer not tumbling?
Inspect drive belt for damage. Check motor operation and drum rollers. Remove any obstruction inside the drum.
Why is my Kenmore dryer making loud noises?
Check drum rollers, idler pulley, and motor bearings. Remove foreign objects and ensure drum is properly aligned.
Why does my Kenmore dryer stop mid-cycle?
Check overheating protection system. Inspect thermal fuse and airflow restrictions. Restart dryer after cooling down.
Why is my Kenmore dryer not spinning properly?
Inspect drive belt, motor, and drum support rollers. Ensure load is balanced and not overloaded.
Why is my Kenmore dryer overheating?
Clean lint filter and exhaust vent system. Inspect thermostat and cycling temperature sensors. Ensure proper airflow.
Why is my Kenmore dryer not turning off?
Check timer control and sensor drying settings. Inspect control board and verify cycle selection is correct.
Why is my Kenmore dryer door not closing properly?
Inspect door latch and strike. Ensure no clothing is blocking the door. Replace damaged latch components if needed.
Why is my Kenmore dryer showing a heating error?
Check heating element, thermal fuse, and wiring connections. Reset dryer and test again after inspection.
Why is my Kenmore dryer showing a sensor error?
Clean moisture sensor strips inside drum. Check wiring connections and ensure sensors are free from residue buildup.
Why is my Kenmore dryer not drying evenly?
Avoid overloading. Clean lint filter and vent system. Ensure proper airflow and balanced load distribution.
Why is my Kenmore dryer making a burning smell?
Stop use immediately. Clean lint buildup from vent system. Inspect heating element and motor for overheating signs.
How do I reset my Kenmore dryer?
Turn off power to the dryer for 5–10 minutes. Restore power and start a new cycle to clear temporary system faults.
Important: If error codes persist after troubleshooting, disconnect power immediately and contact a qualified Kenmore appliance technician for diagnosis and repair.