F28 — Moisture Sensor Open
The control detects an open circuit in the moisture sensor strip. (UI-to-main-control communication loss is a different code, F70/F71, on this platform.)
- Keep using it?
- Yes, with caution
- DIY difficulty
- Moderate
How to fix it
- Unplug the dryer.
- Locate the moisture sensor strip, typically a metal bar near the front of the drum.
- Check the wiring connections on the moisture sensor for a loose or disconnected wire.
- Repair or reseat the connection and restore power.
- If F28 persists, replace the moisture sensor.
Why it happens
Typical signs: F28 displayed · Auto-dry cycles run too long or don't sense dryness correctly · Cycle stops with F28
- Open moisture sensor circuit The moisture sensor strip inside the drum, or its wiring, has an open circuit.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Amana dryer moisture sensor Common replacementAmazon →
More Amana dryer codes
Frequently asked questions
What does the F28 code mean on a Amana dryer?
The control detects an open circuit in the moisture sensor strip. (UI-to-main-control communication loss is a different code, F70/F71, on this platform.)
What causes the F28 code on a Amana dryer?
Open moisture sensor circuit: The moisture sensor strip inside the drum, or its wiring, has an open circuit.
Is it safe to keep using a Amana dryer with a F28 error?
Yes, with caution. This is rated a moderate-severity fault.
How do I fix F28 on a Amana dryer?
Unplug the dryer. Locate the moisture sensor strip, typically a metal bar near the front of the drum. Check the wiring connections on the moisture sensor for a loose or disconnected wire.
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.