Whirlpool Dryer Error Code F28

What Does Error Code F28 Mean on a Whirlpool Dryer?

Moisture sensor bar failure — primary sensor.

The primary moisture sensor bars in the drum have failed. Auto-dry cycles will not work correctly.

What Causes Error Code F28?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Sensor bars coated with fabric softener residue 60% of cases
2. 2
   Sensor bar corrosion or physical damage 25% of cases
3. 3
   Wiring to sensor bars damaged 15% of cases

How to Fix Whirlpool Dryer Error Code F28

1. 1

   Clean sensor bars

   The bars are two metal strips inside the front of the drum. Clean with rubbing alcohol.

   🔩 Rubbing alcohol
2. 2

   Test sensor bars

   Check continuity between bars — should vary with moisture.

   🔩 Multimeter
3. 3

   Replace sensor bar assembly

   If bars are physically damaged or corroded.

   🔩 Whirlpool moisture sensor ($25–$60)

How to Reset Error Code F28

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Related Error Codes

Find Replacement Parts

Use these links to find the exact replacement parts for your Whirlpool Dryer:

External links — ApplianceErrors.com is not affiliated with these retailers.

Frequently Asked Questions