Westinghouse Dryer Error E40

⚡ Quick Answer: The Westinghouse Dryer E40 error code indicates a malfunction related to the door switch, which may prevent the dryer from starting or cause it to sto... ✅ DIY Fixable

What Does Error E40 Mean?

The Westinghouse Dryer E40 error code indicates a malfunction related to the door switch, which may prevent the dryer from starting or cause it to stop mid-cycle. Users should check that the dryer door is fully closed and the latch is engaged to resolve the issue. If the error persists after ensuring proper door closure, further investigation into the door lock or switch may be necessary.

Common Symptoms:

  • Code E40 displayed on dryer control panel
  • Dryer cycle fails to start or interrupts when showing code
  • User must check door closure

Possible Causes

  • Door Switch

How to Fix Error E40

DIY Fix Check Door Closure and Reset

  1. Ensure the dryer door is fully closed and latch engages
  2. Remove any laundry caught between the door and rubber seal
  3. Unplug the dryer for 30 seconds and plug back in to attempt a reset

Technician Only Service Check for Door Lock/Switch

  1. Inspect door lock mechanism and door switch for faults
  2. Test continuity of door switches and wiring harness
  3. Replace faulty door lock assembly or switch if necessary

Parts needed: Door lock assembly, Door switch/sensor

🛑 When to Call a Pro:
  • If E40 persists after basic door checks and reset
  • If door lock or switch tests show faults requiring part replacement

Technical Specifications

wattage
component Door Switch
resistance
part_number WPW10116823
voltage_rating 120V AC

Common Questions

What does E40 error mean on Westinghouse Dryer?

E40 indicates a door switch malfunction, preventing the dryer from starting or causing it to stop mid-cycle.

Can I fix Westinghouse Dryer E40 error myself?

Yes, check that the door is fully closed and the latch is engaged. You can also unplug the dryer for 30 seconds to reset it.

How much does it cost to fix E40 error?

Estimated repair costs range from $50 to $150 plus parts, depending on your region.

When should I call a technician for E40?

Call a technician if the E40 error persists after checking the door or if tests indicate a faulty door lock or switch.

Sources & References

Data last verified: 2026-03-09

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