Kenmore Dryer Error F20

⚡ Quick Answer: The Kenmore Dryer F20 error indicates a communication failure between the control board and the user interface, often caused by a failed heater relay ... ✅ DIY Fixable

What Does Error F20 Mean?

The Kenmore Dryer F20 error indicates a communication failure between the control board and the user interface, often caused by a failed heater relay on the main electronic control board. This issue can prevent the dryer from starting or cause it to stop mid-cycle, leading to improper heating. If you encounter this error, it's essential to determine the root cause to avoid further complications.

Common Symptoms:

  • Dryer displays F20 error on control panel
  • Dryer may stop mid-cycle or fail to heat properly

Possible Causes

  • Failed heater relay on main electronic control board (high)

How to Fix Error F20

DIY Fix Power cycle and basic checks

  1. Unplug the dryer from power for at least 5 minutes.
  2. Check that the dryer vent and lint filter are clear of debris (may help avoid related issues).
  3. Plug the dryer back in and attempt to run a cycle to see if the error clears.

Technician Only Replace main electronic control board to resolve heater relay failure

  1. Disconnect power to the dryer.
  2. Access the dryer control panel according to the service manual.
  3. Remove and replace the main electronic control board containing the heater relay.
  4. Reassemble and test the dryer to confirm the F20 error no longer appears.

Parts needed: Main electronic control board

🛑 When to Call a Pro:
  • If you are not experienced working with high voltage components
  • If error persists after control board replacement

Technical Specifications

wattage 500W
component Control Board
resistance 1-5 ohms
part_number W10812395
voltage_rating 120V AC

Common Questions

What does F20 error mean on Kenmore Dryer?

F20 indicates a communication failure between the control board and user interface, often due to a failed heater relay.

Can I fix Kenmore Dryer F20 error myself?

Yes, you can power cycle the dryer and check the vent and lint filter. If the error persists, further action may be needed.

How much does it cost to fix F20 error?

Repair costs range from $150 to $400 for parts and labor, depending on the model and service rates.

When should I call a technician for F20?

Call a technician if you're not experienced with high voltage components or if the error continues after replacing the control board.

Data last verified: 2026-02-19

User Comments (0)

Share your experience or solution below.

Be the first to comment!