Editorial & technical review
- Written by ApplianceWorth Editorial Team
- Technically reviewed by Victor — appliance technician
- Last reviewed 2026-07-01
- Applies to Samsung microwaves
- Confidence medium
- Also displayed as EA1
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
What this code means
The microwave did not confirm that an internal airflow damper reached the commanded position.
Most likely causes
- A jammed damper mechanism
- A failed damper motor or position switch
- A loose connector or damaged harness
- A main-control fault
Safe checks for the owner
- Unplug the microwave and allow it to reset.
- Do not try to reach or move the internal damper through vents.
- Request service if the code returns.
Estimated U.S. repair cost
$280–$580, depending on model, access, parts availability and local labor.