Whirlpool Dryer Error Code F4 E3: How to Fix It

Medium 45-90 minutes Critical Severity Verified June 2026
Error Code
F4 E3
Brand
Whirlpool
Product Type
dryer
Severity
Critical
DIY Difficulty
Medium
Estimated Fix Time
45-90 minutes
The F4 E3 error code on your Whirlpool dryer indicates a heater relay failure, meaning the heating element won't turn on. This prevents your dryer from producing heat, leaving clothes damp even after extended drying cycles. The issue typically involves the main control board's inability to activate the heating system.
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Tools You'll Need

How to Fix Error Code F4 E3

  1. Safety First - Disconnect Power

    Never work on electrical appliances while connected to power. Gas dryers require gas valve shutoff for safety.
  2. Check Power Supply and Connections

    240V electrical connections can be deadly. If unsure about electrical testing, contact a qualified electrician.
  3. Inspect the Heating Element

    Heating elements can have sharp edges. Handle carefully and ensure power is disconnected.
  4. Test the Thermal Fuse

  5. Check the Control Board

    Control boards contain sensitive electronic components. Handle with care and avoid static discharge.
  6. Test the Temperature Sensors

  7. Reassemble and Test

    Double-check all connections before restoring power. Ensure all panels are properly secured.

Parts You May Need

Heating element
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Main control board
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Temperature sensors
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Heating element
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Main control board
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Temperature sensors
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Heating element
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Main control board
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Temperature sensors
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Heating element
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Main control board
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Temperature sensors
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Heating element
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Main control board
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Temperature sensors
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Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
Check Price on Amazon
Main control board
Check Price on Amazon
Temperature sensors
Check Price on Amazon
Heating element
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Main control board
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Temperature sensors
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When to Call a Professional

Call a professional if you're uncomfortable working with 240V electricity, if the main control board needs replacement (expensive repair), if multiple components have failed simultaneously, or if the error persists after replacing obvious faulty parts. Gas dryer repairs involving gas connections should always be handled by qualified technicians.

Frequently Asked Questions

What does F4 E3 mean on my Whirlpool dryer?
F4 E3 indicates a heater relay failure, meaning your dryer's control board cannot activate the heating element. This results in no heat production during drying cycles.
Can I still use my dryer with F4 E3 error?
You can run the dryer on air-only cycles, but it won't produce heat to dry clothes effectively. The error needs to be resolved for normal operation.
How much does it cost to fix F4 E3 error?
Repair costs vary depending on the faulty component. A thermal fuse costs $10-20, heating elements $50-100, while control board replacement can cost $150-300 plus labor.
Why does the heater relay fail in Whirlpool dryers?
Heater relay failure often results from power surges, normal wear over time, overheating due to blocked vents, or manufacturing defects in the control board components.
How can I prevent F4 E3 error from happening again?
Clean your dryer vent regularly, avoid overloading, use surge protectors, and have your dryer professionally serviced annually to prevent component failures.