Electrolux Dryer Error E4

⚡ Quick Answer: The Electrolux dryer E4 error indicates a humidity sensor malfunction, causing the dryer to fail in detecting moisture levels. This issue may arise du... ✅ DIY Fixable

What Does Error E4 Mean?

The Electrolux dryer E4 error indicates a humidity sensor malfunction, causing the dryer to fail in detecting moisture levels. This issue may arise during or after a drying cycle when the dryer evaluates humidity. Potential causes include a faulty humidity sensor, wiring issues, or a malfunctioning main control board.

Common Symptoms:

  • E4 displayed on dryer control panel indicating a diagnostics-detected issue with humidity sensing
  • Error may occur during or after a drying cycle when moisture sensing is evaluated

Possible Causes

  • Humidity sensor malfunction or abnormal signal (medium)
  • Wiring or connection failure related to humidity sensor (medium)
  • Main control board fault affecting humidity sensor signal processing (low)

How to Fix Error E4

DIY Fix Basic user checks for humidity sensor issues

  1. Turn off and unplug the dryer from power.
  2. Ensure the dryer’s humidity sensors (often near the lint screen inside the drum) are clean and free of lint or residue.
  3. Clean the sensors gently with a soft cloth if needed.
  4. Restore power and run a test drying cycle to see if error persists.

Technician Only Technician-level diagnostics and repair

  1. Verify continuity and proper connection on wiring harnesses related to the humidity sensor.
  2. Test the humidity sensor with a multimeter to confirm proper functioning.
  3. If humidity sensor is defective, replace with manufacturer-specified part.
  4. If sensor and wiring are good, test and repair or replace main control board as necessary.

Parts needed: Humidity sensor assembly, Wiring harness/connectors, Main control board (if diagnosed)

🛑 When to Call a Pro:
  • If basic cleaning and power cycle do not clear the E4 code
  • If there are signs of wiring damage, burnt connectors, or sensor component failure
  • If a technician-level repair is beyond your skill or tools

Technical Specifications

wattage 5400W
component Heating Element
resistance 10-30 ohms
part_number 5304517001
voltage_rating 240V AC

Common Questions

What does E4 error mean on electrolux dryer?

E4 indicates a humidity sensor malfunction affecting the dryer’s ability to detect moisture.

Can I fix electrolux dryer E4 error myself?

Yes, you can clean the humidity sensors and check connections after unplugging the dryer.

How much does it cost to fix E4 error?

Repair costs typically range from $75 to $350, depending on parts and labor.

When should I call a technician for E4?

Call a technician if cleaning doesn't resolve the issue or if you notice wiring damage.

Sources & References

Data last verified: 2026-01-29

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