Whirlpool Dryer Error F20

⚡ Quick Answer: The Whirlpool dryer F20 error indicates a heating system malfunction, often linked to the control board's inability to detect heat. This can lead to t... ✅ DIY Fixable

What Does Error F20 Mean?

The Whirlpool dryer F20 error indicates a heating system malfunction, often linked to the control board's inability to detect heat. This can lead to the dryer failing to start or heat properly, resulting in damp clothes after a cycle. If the error persists after a reset, it may signal issues with the heating element, thermal fuse, or the control board itself that require further inspection.

Common Symptoms:

  • Dryer displays F20 code and may stop heating
  • Dry clothes after a cycle though motor runs
  • Error persists after simple reset

Possible Causes

  • Heating system fault (e.g., heating element or related safety components) (medium)
  • Control board interpretation of heating circuit status (medium)

How to Fix Error F20

DIY Fix Power cycle/reset the dryer

  1. Turn off the dryer at the circuit breaker or unplug it.
  2. Wait ~5 minutes to allow the internal control to reset.
  3. Restore power and start a time dry cycle to see if the code reappears.

Technician Only Inspect heating circuit and related components

  1. Verify heating element continuity and proper operation.
  2. Check high‑limit thermostat/thermal fuses for opens.
  3. Test wiring connections in the heating circuit for loose/corroded contacts.
  4. Assess main control board outputs for proper heating circuit drive signals.

Parts needed: Heating element, Thermal fuse / thermostat, Control board, Wiring harness

🛑 When to Call a Pro:
  • Error persists after reset and basic airflow/heating checks
  • Unusual burning smell or signs of overheating
  • No heating but motor runs normally

Technical Specifications

wattage 500W
component Control Board
resistance 1-5 ohms
part_number W10810403
voltage_rating 120V AC

Common Questions

What does F20 error mean on whirlpool dryer?

F20 indicates a heating system fault, preventing the dryer from heating properly.

Can I fix whirlpool dryer F20 error myself?

Yes, try power cycling the dryer by unplugging it for 5 minutes before restarting.

How much does it cost to fix F20 error?

Repair costs can vary; heating element or thermostat parts are generally low to mid-range, while control board replacements are higher.

When should I call a technician for F20?

Call a technician if the error persists after a reset or if you notice unusual smells or overheating.

Sources & References

Data last verified: 2026-01-10

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