Kenmore Washer - F43 Error Code
Motor control overheating detected.
Meaning
Motor control overheating detected.
The F43 error indicates that the washer’s motor control unit (MCU) has overheated. Kenmore explains that this code appears when the MCU temperature rises beyond safe operating limits. This may occur due to heavy loads, restricted airflow, excessive current draw from the motor, or internal MCU component failure. When F43 is active, the washer halts agitation and spin to prevent permanent damage to the control system.
Symptoms
Causes
Step-by-Step Fixes
- Allow the washer to cool for 20–30 minutes before restarting.
- Ensure the rear panel vents are not blocked by walls or laundry.
- Inspect the MCU area for lint buildup restricting airflow.
- Check the motor for signs of overheating or mechanical binding.
- Replace the motor control board if overheating recurs.
Safety Notes
- Disconnect power before accessing the MCU or motor.
- Avoid running the washer if a burning smell is present.
Applicable Models
Show Models
- Kenmore HE3t: 110.44932200, 110.44934200
- Kenmore HE4t: 110.45081400, 110.45087400
- Kenmore HE5t: 110.47081600, 110.47087600
- Kenmore HE5 Elite: 110.47751800, 110.47761800
Related Pages
Other Kenmore Washer Error Codes
Show All Error Codes
- Kenmore Washer F01 Error Code
- Kenmore Washer F02 Error Code
- Kenmore Washer F06 Error Code
- Kenmore Washer F09 Error Code
- Kenmore Washer F0E1 Error Code
- Kenmore Washer F0E2 Error Code
- Kenmore Washer F0E3 Error Code
- Kenmore Washer F0E4 Error Code
- Kenmore Washer F0E5 Error Code
- Kenmore Washer F0E6 Error Code
- Kenmore Washer F0E7 Error Code
- Kenmore Washer F0E8 Error Code
- Kenmore Washer F0E9 Error Code
- Kenmore Washer F11 Error Code
- Kenmore Washer F1E1 Error Code
- Kenmore Washer F1E2 Error Code
- Kenmore Washer F1E3 Error Code
- Kenmore Washer F1E4 Error Code
- Kenmore Washer F1E5 Error Code
- Kenmore Washer F21 Error Code
- Kenmore Washer F22 Error Code
- Kenmore Washer F23 Error Code
- Kenmore Washer F24 Error Code
- Kenmore Washer F26 Error Code
- Kenmore Washer F28 Error Code
- Kenmore Washer F29 Error Code
- Kenmore Washer F2E1 Error Code
- Kenmore Washer F2E3 Error Code
- Kenmore Washer F2E5 Error Code
- Kenmore Washer F2E7 Error Code
- Kenmore Washer F33 Error Code
- Kenmore Washer F34 Error Code
- Kenmore Washer F35 Error Code
- Kenmore Washer F37 Error Code
- Kenmore Washer F3E1 Error Code
- Kenmore Washer F3E2 Error Code
- Kenmore Washer F3E3 Error Code
- Kenmore Washer F3E4 Error Code
- Kenmore Washer F41 Error Code
- Kenmore Washer F42 Error Code
- Kenmore Washer F44 Error Code
- Kenmore Washer F54 Error Code
- Kenmore Washer F5E1 Error Code
- Kenmore Washer F5E2 Error Code
- Kenmore Washer F5E3 Error Code
- Kenmore Washer F6E0 Error Code
- Kenmore Washer F6E1 Error Code
- Kenmore Washer F6E2 Error Code
- Kenmore Washer F6E3 Error Code
- Kenmore Washer F72 Error Code
- Kenmore Washer F73 Error Code
- Kenmore Washer F78 Error Code
- Kenmore Washer F7E0 Error Code
- Kenmore Washer F7E1 Error Code
- Kenmore Washer F7E2 Error Code
- Kenmore Washer F7E3 Error Code
- Kenmore Washer F7E4 Error Code
- Kenmore Washer F7E5 Error Code
- Kenmore Washer F7E6 Error Code
- Kenmore Washer F7E7 Error Code
- Kenmore Washer F7E8 Error Code
- Kenmore Washer F7E9 Error Code
- Kenmore Washer F82 Error Code
- Kenmore Washer F83 Error Code
- Kenmore Washer F8E0 Error Code
- Kenmore Washer F8E1 Error Code
- Kenmore Washer F8E2 Error Code
- Kenmore Washer F8E3 Error Code
- Kenmore Washer F8E4 Error Code
- Kenmore Washer F8E5 Error Code
- Kenmore Washer F8E6 Error Code
- Kenmore Washer F8E7 Error Code
- Kenmore Washer F8E8 Error Code
- Kenmore Washer F99 Error Code
- Kenmore Washer F9E1 Error Code
- Kenmore Washer F9E2 Error Code
- Kenmore Washer F9E3 Error Code
- Kenmore Washer LD Error Code
- Kenmore Washer LF Error Code
- Kenmore Washer LO / FL Error Code
- Kenmore Washer OB Error Code
- Kenmore Washer OL Error Code
- Kenmore Washer SD / SUD Error Code
- Kenmore Washer UL Error Code
Model-Specific Notes
F43 is especially common on HE3/HE4/HE5 models where lint accumulation around the MCU heat sink restricts cooling airflow, causing the board to overheat during high‑speed spin cycles.
Disclaimer
The information provided on this page is for educational and informational purposes only. Repairs involve electrical, mechanical, and water-related risks. Always follow manufacturer instructions and consider contacting a qualified technician for diagnosis or repair.