Westinghouse Washing Machine Error E40
⚡ Quick Answer: The Westinghouse Washing Machine error E40 indicates a door lock mechanism failure, preventing the door from engaging properly. Symptoms include the m... ✅ DIY Fixable
What Does Error E40 Mean?
The Westinghouse Washing Machine error E40 indicates a door lock mechanism failure, preventing the door from engaging properly. Symptoms include the machine refusing to start, the E40 error display, and the door appearing closed but not fully secured. This error often arises from a malfunction in the door lock assembly or its sensor, leading to operational disruptions.
Common Symptoms:
- Washing machine refuses to start
- Machine stops with E40 displayed
- Door appears closed but not fully engaged
Possible Causes
- Door lock mechanism failure or sensor fault (medium)
How to Fix Error E40
DIY Fix Check door closure and latch
- Ensure laundry door is completely closed and latched firmly.
- Remove any clothes caught in the door seal preventing full closure.
- Inspect door hinge/latch area for debris or obstruction.
DIY Fix Power reset and simple reset attempt
- Turn off the machine and unplug it for 1–2 minutes.
- Plug the machine back in and attempt to start a wash cycle normally.
Technician Only Test and replace door lock assembly or sensor
- Test door lock switch and sensor continuity with appropriate tools.
- Replace faulty door lock mechanism if sensor doesn’t detect closure.
- Verify wiring harness between door lock and main control module is intact.
Parts needed: Door lock assembly, Door latch sensor, Wiring harness
- If replacing the door lock assembly does not clear the error.
- If there is visible damage to the door frame or electronics that the user cannot safely assess.
Next step
Choose the next step for E40
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Door Lock Assembly
Secures the door shut during operation for safety and signals the control board to run.
- Typical part-only price
- $30 - $75
- DIY difficulty
- Easy
- Estimated time
- 10-20 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Door Latch Assembly
Mechanically secures the appliance door and may operate a door-closed safety switch.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Model-compatible Washing Machine parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Washing Machine Cleaner Tablets
Routine tub-cleaning supplies for residue and odor control. They do not repair a mechanical, drainage, or electronic fault.
Braided Washer Inlet Hoses
A maintenance replacement option for visibly worn external fill hoses. Verify thread size, length, and hot/cold connection requirements.
Washer Drain Hose Holder
Helps secure an external drain hose at the standpipe. It does not correct an internal pump or control fault.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does E40 error mean on Westinghouse Washing Machine?
The E40 error indicates a door lock mechanism failure, preventing the washing machine from starting.
Can I fix Westinghouse Washing Machine E40 error myself?
Yes, you can check the door closure, remove any obstructions, and perform a power reset.
How much does it cost to fix E40 error?
The estimated repair cost for the E40 error ranges from $50 to $180, depending on the model and region.
When should I call a technician for E40?
Call a technician if the error persists after replacing the door lock assembly or if there is visible damage to the door.
Sources & References
Data last verified: 2026-07-31
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!