Frigidaire Washer - E43 Error Code
The control board detected a door‑lock triac failure.
Meaning
The control board detected a door‑lock triac failure.
The Frigidaire E43 error code indicates that the control board’s door‑lock triac (the electronic switch that powers the lock) is malfunctioning. The triac may be stuck open, stuck closed, or not switching correctly. This prevents the washer from locking or unlocking the door safely.
Symptoms
Causes
Step-by-Step Fixes
- Inspect the control board for burn marks.
- Test the door‑lock assembly for shorts.
- Replace the control board if the triac is defective.
Safety Notes
- Disconnect power before accessing control electronics.
Applicable Models
Show Models
- FAFS4272LW
- FAFW3801LW
- ATF7000FS
Related Pages
Other Frigidaire Washer Error Codes
Show All Error Codes
- Frigidaire Washer E10 Error Code
- Frigidaire Washer E11 Error Code
- Frigidaire Washer E13 Error Code
- Frigidaire Washer E21 Error Code
- Frigidaire Washer E23 Error Code
- Frigidaire Washer E24 Error Code
- Frigidaire Washer E31 Error Code
- Frigidaire Washer E32 Error Code
- Frigidaire Washer E33 Error Code
- Frigidaire Washer E35 Error Code
- Frigidaire Washer E41 Error Code
- Frigidaire Washer E44 Error Code
- Frigidaire Washer E45 Error Code
- Frigidaire Washer E4A Error Code
- Frigidaire Washer E4E Error Code
- Frigidaire Washer E4F Error Code
- Frigidaire Washer E5A Error Code
- Frigidaire Washer E5B Error Code
- Frigidaire Washer E5C Error Code
- Frigidaire Washer E61 Error Code
- Frigidaire Washer E62 Error Code
- Frigidaire Washer E63 Error Code
- Frigidaire Washer E64 Error Code
- Frigidaire Washer E65 Error Code
- Frigidaire Washer E8C Error Code
- Frigidaire Washer E9E Error Code
- Frigidaire Washer E9F Error Code
- Frigidaire Washer EA1 Error Code
- Frigidaire Washer EA2 Error Code
- Frigidaire Washer EF1 Error Code
- Frigidaire Washer EF2 Error Code
- Frigidaire Washer EF3 Error Code
- Frigidaire Washer EF5 Error Code
- Frigidaire Washer ER1 Error Code
- Frigidaire Washer ER2 Error Code
- Frigidaire Washer ERd Error Code
- Frigidaire Washer ERH Error Code
- Frigidaire Washer ERL Error Code
- Frigidaire Washer ERR Error Code
- Frigidaire Washer ERS Error Code
Model-Specific Notes
On Affinity washers, E43 often appears alongside E45 when the lock circuit overloads the triac.
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.