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
- Turn off the dryer at the circuit breaker or unplug it.
- Wait ~5 minutes to allow the internal control to reset.
- Restore power and start a time dry cycle to see if the code reappears.
Technician Only Inspect heating circuit and related components
- Verify heating element continuity and proper operation.
- Check high‑limit thermostat/thermal fuses for opens.
- Test wiring connections in the heating circuit for loose/corroded contacts.
- Assess main control board outputs for proper heating circuit drive signals.
Parts needed: Heating element, Thermal fuse / thermostat, Control board, Wiring harness
- Error persists after reset and basic airflow/heating checks
- Unusual burning smell or signs of overheating
- No heating but motor runs normally
Next step
Choose the next step for F20
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Heating Element
Heats the water or air inside the appliance to the required temperature.
- Typical part-only price
- $40 - $95
- DIY difficulty
- Medium
- Estimated time
- 30-45 mins
Where can I find the model number?
Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.
Verify the complete model and part number on the retailer's compatibility page before ordering.
Other parts options
Check related components first; use model search as a fallback.
Thermal Fuse
A safety device that cuts off power to the appliance if it starts to overheat.
Thermostat
Regulates temperature by turning the heating or cooling system on or off.
Main Control Board
The central brain of the appliance that controls all components, cycles, and timings.
Model-compatible Dryer parts
Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.
Optional routine care
Maintenance supplies
These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.
Dryer Vent Cleaning Kit
Helps remove routine lint buildup from an accessible dryer vent path. It does not diagnose or repair an E-code or failed component.
Lint Trap Cleaning Brush
A narrow brush for routine cleaning around an accessible lint screen and housing.
Dryer Vent Hose Kit
A replacement exhaust duct option for visibly crushed or damaged external venting. Check diameter, length, local code, and installation clearance.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
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: 2026-07-31
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!