Electrolux Dryer Error E31
⚡ Quick Answer: The Electrolux dryer error E31 indicates a malfunction in the moisture sensor, often leading to improper heating and inconsistent drying times. This e... ✅ DIY Fixable
What Does Error E31 Mean?
The Electrolux dryer error E31 indicates a malfunction in the moisture sensor, often leading to improper heating and inconsistent drying times. This error arises when the moisture sensor feedback frequency is abnormal, typically due to dirty or defective sensor bars, faulty wiring, or issues with the electronic control board. Regular maintenance and cleaning can help prevent this error, ensuring your dryer operates efficiently.
Common Symptoms:
- Dryer stops mid‑cycle with E31 displayed
- Moisture sensor fault indicated by control board
Possible Causes
- Dirty moisture sensor bars (medium)
- Defective moisture sensor bars (medium)
- Wiring or connection failure to moisture sensor (medium)
- Faulty electronic control board affecting moisture sensor feedback (medium)
How to Fix Error E31
DIY Fix Check and clean moisture sensor bars
- Unplug dryer from power
- Locate moisture sensor bars inside drum and inspect for residue
- Clean bars carefully with a soft cloth and mild cleaner
- Plug back in and test run
DIY Fix Check wiring connections to moisture sensor
- Unplug dryer
- Inspect wiring harness to moisture sensor for damage or loose connections
- Reconnect securely if loose
- Plug in and test
Technician Only Test and replace defective parts
- Use multimeter to test moisture sensor bars and wiring continuity
- If sensor bars defective, replace moisture sensor assembly
- If wiring harness damaged, repair or replace
- If sensor and wiring are good but error persists, diagnose electronic control board and replace if necessary
Parts needed: Moisture sensor assembly, Wiring harness, Electronic control board
- If error persists after cleaning and basic checks
- If wiring or internal components need replacement and you are not qualified
Next step
Choose the next step for E31
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
Dryer Moisture Sensor
Detects moisture in clothing so automatic drying cycles can stop at the selected dryness level.
- Typical part-only price
- $10 - $50
- DIY difficulty
- Easy
- Estimated time
- 15-30 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.
Wiring Harness
Connects controls, sensors, motors, and other electrical components inside the appliance.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Dryer 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.
Dryer Vent Cleaning Kit
Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.
Lint Trap Cleaning Brush
A narrow brush for routine cleaning around an accessible lint screen and housing.
Dryer Vent Hose Kit
A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| wattage | N/A |
|---|---|
| component | Temperature Sensor |
| resistance | 10-30 ohms |
| part_number | Electrolux 5304512027 |
| voltage_rating | 240V AC |
Common Questions
What does E31 error mean on electrolux dryer?
The E31 error indicates a problem with the moisture sensor, affecting heating and drying performance.
Can I fix electrolux dryer E31 error myself?
Yes, you can clean the moisture sensor bars and check wiring connections if you follow the proper safety steps.
How much does it cost to fix E31 error?
Repair costs for the E31 error can range from $50 to $400, depending on parts and labor.
When should I call a technician for E31?
Call a technician if the error persists after cleaning or if internal component replacements are needed.
Data last verified: 2026-07-25
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