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

  1. Unplug dryer from power
  2. Locate moisture sensor bars inside drum and inspect for residue
  3. Clean bars carefully with a soft cloth and mild cleaner
  4. Plug back in and test run

DIY Fix Check wiring connections to moisture sensor

  1. Unplug dryer
  2. Inspect wiring harness to moisture sensor for damage or loose connections
  3. Reconnect securely if loose
  4. Plug in and test

Technician Only Test and replace defective parts

  1. Use multimeter to test moisture sensor bars and wiring continuity
  2. If sensor bars defective, replace moisture sensor assembly
  3. If wiring harness damaged, repair or replace
  4. 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

🛑 When to Call a Pro:
  • If error persists after cleaning and basic checks
  • If wiring or internal components need replacement and you are not qualified

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: 2026-01-29

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