Electrolux Dryer Error E51

⚡ Quick Answer: The Electrolux dryer error E51 indicates a malfunction in the motor drive unit, specifically a fault detected in the motor relay by the control board.... ✅ DIY Fixable

What Does Error E51 Mean?

The Electrolux dryer error E51 indicates a malfunction in the motor drive unit, specifically a fault detected in the motor relay by the control board. This error often prevents the dryer from starting and may be accompanied by unusual noises during operation. Common causes include a faulty motor relay, wiring issues, or a short circuit. To troubleshoot, check that the dryer drum turns freely and ensure the lint filter and venting are clean. If the error persists after basic checks, professional assistance may be required.

Common Symptoms:

  • Dryer displays error E51 and may not start
  • Motor does not run or dryer locks out and stops functioning

Possible Causes

  • Motor relay fault or control board detects improper motor relay condition (medium)
  • Motor short circuit or wiring fault (medium)

How to Fix Error E51

DIY Fix Basic user checks before service call

  1. Turn off and unplug the dryer from power.
  2. Check that the dryer drum turns freely by hand (no obstruction).
  3. Ensure lint filter and venting are clean and unrestricted (improves airflow though not directly fixing E51, but prevents overheating).

Technician Only Diagnose and repair motor relay / wiring issues

  1. Access the dryer’s control board and motor relay assembly.
  2. Visually inspect wiring harnesses for damage, chafing, or loose connectors.
  3. Test motor relay function and motor circuit with appropriate tools (multimeter/diagnostic tool).
  4. Replace faulty motor relay or repair wiring as needed.
  5. If relay and wiring are good but error persists, test/replace control board.

Parts needed: motor relay, wiring harness, control board

🛑 When to Call a Pro:
  • If user-level checks do not clear error or if error returns after power reset attempts
  • If user is not trained in electrical diagnostics or lacks tools to safely test motor circuitry

Technical Specifications

wattage 500W
component Motor Drive Unit
resistance 5-15 ohms
part_number ELECTROLUX 5304501952
voltage_rating 240V AC

Common Questions

What does E51 error mean on electrolux dryer?

E51 indicates a motor relay fault preventing the dryer from starting.

Can I fix electrolux dryer E51 error myself?

Yes, try basic checks like ensuring the drum turns freely and cleaning the lint filter.

How much does it cost to fix E51 error?

$100-$400 depending on parts and labor for motor relay or wiring repairs.

When should I call a technician for E51?

Call if basic checks don't resolve the error or if you're not trained for electrical diagnostics.

Data last verified: 2026-01-29

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