Simpson Dryer Error E40
⚡ Quick Answer: The Simpson dryer error code E40 indicates a problem with the door lock mechanism, which prevents the dryer from starting. This error commonly results... ✅ DIY Fixable
What Does Error E40 Mean?
The Simpson dryer error code E40 indicates a problem with the door lock mechanism, which prevents the dryer from starting. This error commonly results in a blinking display. If the door is not securely closed or if laundry is caught in the door seal, it can trigger this error. To troubleshoot, ensure the door is closed properly and reset the dryer by unplugging it for about 30 seconds before plugging it back in.
Common Symptoms:
- Dryer stops operation and displays E40
Possible Causes
- Door Lock Assembly
- Door Switch
- Wiring Issues
How to Fix Error E40
DIY Fix Check basic door closure and reset
- Ensure the dryer door is fully closed and that no laundry is caught between the door and the seal.
- Unplug the dryer from the power outlet for ~30 seconds, then plug it back in and attempt to start a drying cycle.
Technician Only Diagnostic inspection
- Check door latch mechanism and door sensor/switch for proper operation and continuity.
- Inspect wiring harness related to door switch and control panel for damage or loose connectors.
- Use service manual specific to the exact Simpson dryer model to interpret the E40 code and test relevant components accordingly.
Parts needed: door latch/switch, wiring harness, control board
- If the door latch or sensor appears damaged or unresponsive after basic checks
- If internal wiring or control electronics inspection is required
Technical Specifications
| wattage | 2000W |
|---|---|
| component | Door Lock Assembly |
| resistance | 10-20 ohms |
| part_number | Simpson 123456789 |
| voltage_rating | 240V AC |
Common Questions
What does E40 error mean on simpson dryer?
E40 error indicates a malfunction in the door lock mechanism, preventing the dryer from starting.
Can I fix simpson dryer E40 error myself?
Yes, check if the door is fully closed and reset the dryer by unplugging it for 30 seconds.
How much does it cost to fix E40 error?
Repair costs range from $50 to $300+, depending on parts and labor.
When should I call a technician for E40?
Call a technician if the door latch or sensor is damaged or if internal wiring needs inspection.
Sources & References
- Simpson dryer manuals and support (general) (official)
- Electrolux tumble dryer error code E40 (door not closed) (community)
- AEG tumble dryer E40 indicates door not closed (community)
Data last verified: 2026-04-23
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