What Does Error Code E40 Mean on an Electrolux Washing Machine?
Firmly push the door shut until you hear a distinct click, then press Start — if the latch was not fully engaged, the machine should clear the error and begin the cycle within 30 seconds (takes about 2 minutes).
Fault description
Error code E40 is the Electrolux washing machine's way of telling you it cannot verify that the door is securely closed. The door interlock system is a safety mechanism that prevents the drum from spinning and water from entering while the door is open. When the machine detects no confirmation signal from the door switch, it stops the programme and displays E40.
In practice, you may see this error at the start of a cycle before the machine has done anything at all, or mid-cycle if a vibration or mechanical issue causes the door contact to drop out. The drum will not rotate, water will not fill, and the display will remain locked on E40 until the fault is resolved.
The good news is that the most common causes are straightforward to check yourself without any specialist tools, and many cases are resolved in just a few minutes.
Causes
- Door not fully latched — The most frequent reason for E40 is simply that the door has not been pushed firmly enough to engage the latch. Overfilling the drum with laundry can also prevent the door from closing completely.
- Faulty or worn door latch — The plastic latch hook on the door can wear down or break over time, meaning it no longer pushes the interlock switch far enough to register as closed. You may notice the door feels loose or does not click when shut.
- Defective door interlock switch — The interlock is an electromechanical component inside the door frame that receives the latch and sends a signal to the control board. If the interlock itself has failed electrically or mechanically, the machine will never receive confirmation that the door is shut.
- Damaged door seal or hinge causing misalignment — A bulging or torn door seal can physically obstruct the door from closing properly. A bent or worn hinge can cause the door to sit at a slight angle, preventing the latch from aligning with the interlock.
- Wiring fault between door switch and control board — The wires connecting the door interlock to the main control board can become loose, corroded, or damaged — particularly on older machines. A broken connection means the signal never reaches the board even if the interlock itself is working.
- Control board fault — In rare cases, the main PCB fails to read the signal from a perfectly functional door switch. This is the least common cause and is usually only diagnosed after all other components have been ruled out.
Step-by-Step Fix
- 1
Check the door is properly closed
Remove any laundry that may be caught in the door seal and push the door firmly until you hear a clear click. Try starting the cycle again. If the drum is overloaded, remove a few items to allow the door to close flush against the seal.
- 2
Inspect the door seal for obstructions or damage
Run your fingers around the rubber door gasket and check for any clothing, small items, or debris caught in the fold. Also look for tears or sections of the seal that are bulging outward, as these can prevent the door from sitting flush. A damaged seal will need replacing.
- 3
Examine the door latch and interlock receiver
Open the door and look at the plastic latch hook on the door itself — check it is not cracked, worn flat, or broken off. Then look at the interlock receiver on the machine body and check it is not cracked or pushed back into the housing. Gently press the interlock plunger with a pen to confirm it moves freely and springs back.
- 4
Power cycle the machine
Switch the machine off at the wall socket and leave it unplugged for two minutes, then plug it back in and try a fresh cycle. This clears any temporary error stored in the control board and rules out a one-off electronic glitch.
- 5
Check the door hinge for misalignment
Open and close the door slowly and observe whether it hangs straight or drops slightly as it opens. A sagging door suggests a worn hinge, which will prevent the latch from aligning correctly with the interlock. Hinge replacement is a manageable DIY task on most Electrolux models.
- 6
Test the door interlock with a multimeter
If you are comfortable with basic electrical testing, disconnect the machine from the mains, remove the door seal to access the interlock, and disconnect its wiring connector. Use a multimeter set to continuity mode to test across the switch terminals while manually pressing the plunger. No continuity when pressed indicates a failed interlock that needs replacing.
- 7
Inspect the wiring harness to the door interlock
With the machine unplugged, check the wiring connector at the interlock for corrosion, bent pins, or loose connections. Gently tug each wire at the connector to confirm none are pulling free. Damaged wiring should be repaired or the harness replaced before reassembling.
Affected models
Select your model to see its full troubleshooting page.
When to call a service technician
If you have replaced the door latch and interlock switch and the E40 error persists, the fault is likely in the wiring harness or the main control board — both of which require more advanced diagnosis. A service technician can use specialist diagnostic tools to test the full circuit and confirm whether the PCB needs repair or replacement.
You should also call a technician if you are not confident working around electrical components, or if the machine is still under warranty and you do not want to risk voiding it through DIY disassembly. Attempting to bypass the door interlock is unsafe and should never be done.
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Frequently Asked Questions
Can I still use my Electrolux washing machine while it shows E40?
No. The E40 error locks the machine as a safety measure — it will not fill with water or spin the drum while it cannot confirm the door is closed. Attempting to force a cycle is not possible and you should not try to bypass the interlock.
How do I know if it is the door latch or the interlock that has failed?
Inspect the plastic latch hook on the door first — if it is visibly cracked, worn, or broken, that is your likely culprit. If the latch looks intact and clicks into place but the error persists, the interlock switch inside the machine body is the more probable cause. A multimeter test on the interlock will confirm whether it is passing a signal.
Is the Electrolux E40 error the same as an E41 or E42 error?
They are related but distinct. E40 is a general door sensor error, while E41 and E42 refer to more specific door lock faults on some Electrolux models. Always check your model's manual to confirm the exact meaning, as the diagnostic steps can differ slightly.
How long does it take to replace a door interlock on an Electrolux washing machine?
For most Electrolux models, replacing the door interlock takes between 30 and 60 minutes. You will need to peel back the door seal to access the interlock, which requires a little patience but no specialist tools beyond a screwdriver. Replacement interlocks are widely available and reasonably priced.
Will a power cut or surge cause an E40 error?
It is possible for a power interruption mid-cycle to leave the machine in a fault state that displays E40 on restart. In this case, a simple power cycle — unplugging for two minutes and restarting — will usually clear the error. If the error returns immediately on a fresh cycle, a physical fault with the door components is the more likely cause.