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

  1. Ensure laundry door is completely closed and latched firmly.
  2. Remove any clothes caught in the door seal preventing full closure.
  3. Inspect door hinge/latch area for debris or obstruction.

DIY Fix Power reset and simple reset attempt

  1. Turn off the machine and unplug it for 1–2 minutes.
  2. Plug the machine back in and attempt to start a wash cycle normally.

Technician Only Test and replace door lock assembly or sensor

  1. Test door lock switch and sensor continuity with appropriate tools.
  2. Replace faulty door lock mechanism if sensor doesn’t detect closure.
  3. Verify wiring harness between door lock and main control module is intact.

Parts needed: Door lock assembly, Door latch sensor, Wiring harness

🛑 When to Call a Pro:
  • 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.

Technical Specifications

wattage N/A
component Door Lock Assembly
resistance 1-5 ohms
part_number WH12X10529
voltage_rating 120V AC

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: 2026-03-09

User Comments (0)

Share your experience or solution below.

Be the first to comment!