Frigidaire Washer Error Code E43
Console control board thinks the door locking device has failed.
Console control board thinks the door locking device has failed.
First step from the service manual
Refer to test (7) - Start the diagnostic test, turn the program knob 8 clicks clockwise from the start position.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for E43.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
$29/month · Cancel anytime · Or $9.95 3-day pass
What E43 means on a Frigidaire washer
The E43 error code on a Frigidaire washer indicates that the console control board has detected a failure in the door locking device. The door lock assembly is a critical safety component that prevents the washer door from opening during a wash or spin cycle. When the control board sends a signal to engage the lock and does not receive the correct confirmation signal back, it logs E43 and typically halts the cycle to prevent unsafe operation with an unlocked door.
The door locking device includes a solenoid or wax motor actuator, a latch mechanism, and one or more feedback switches that communicate lock status back to the control board. A failure in any part of this circuit can trigger E43. This includes an open or short in the wiring harness between the control board and the lock assembly, a burned or seized lock actuator, or a faulty door switch that fails to confirm the locked position. Physical damage to the door latch itself can also prevent proper engagement.
Diagnosis begins with test (7) in the diagnostic mode, accessed by turning the program knob 8 clicks clockwise from the start position. This test directly exercises the door lock circuit, allowing the technician to observe whether the lock actuates and whether the control board receives a valid response. If the lock assembly activates but the board still throws E43, attention should shift to the wiring harness and feedback switch continuity. If the lock does not actuate at all, the assembly itself or the board output circuit is the likely culprit.
Source: manufacturer service documentation.
Common causes of E43
- 01
Faulty door lock assembly
Part replacementThe lock actuator or its internal feedback switch has failed, so the control board cannot confirm the door is locked. This is the most common cause and is often identifiable by a clicking or buzzing sound from the lock area without successful engagement.
- 02
Damaged or disconnected wiring harness
Wiring / connectionWires between the control board and the door lock assembly can fray, corrode, or become disconnected over time. Inspect the connector at the lock assembly and trace the harness for visible damage or loose terminals.
- 03
Door latch or striker misalignment
Wiring / connectionIf the door striker does not fully engage the latch, the lock mechanism may not actuate properly. Check the door hinges and striker alignment, and look for warping or wear on the plastic door latch components.
- 04
Defective console control board
Part replacementIf the wiring and lock assembly test correctly but E43 persists, the control board itself may have a failed output relay or input circuit for the door lock. This is typically a diagnosis of exclusion after other components have been ruled out.
Frequently asked questions about E43
What does E43 mean on a Frigidaire washer?
Can I fix E43 on my Frigidaire washer myself?
Is it safe to use my Frigidaire washer when E43 is showing?
How much does it cost to repair a Frigidaire washer showing E43?
Will resetting my Frigidaire washer clear the E43 error?
78,000+ service manuals · 160,000+ error codes · 55+ brands
Get Started$29/month · Cancel anytime · Or $9.95 3-day pass