About this guide
- Written by ApplianceWorth Editorial Team
- Technical contact Victor — appliance technician
- Record updated 2026-07-01
- Applies to Samsung microwaves
- Confidence medium
- Sources Manufacturer service documentation and field-repair experience · Methodology · Report a correction
The record-update date is a database timestamp, not proof of a fresh model-specific technical review. Check the applicability below and your manufacturer’s instructions before acting on a guide.
What this code means
The microwave or convection cavity exceeded its expected temperature limit.
Most likely causes
- Blocked ventilation or insufficient installation clearance
- A failed temperature sensor
- A heater, relay or control fault
- The appliance was operated in an abnormal condition
Safe checks for the owner
- Stop the microwave, unplug it and allow it to cool.
- Keep the door closed if there is smoke inside, and disconnect power.
- Do not use the appliance again until it has been inspected.
Estimated U.S. repair cost
$230–$480, depending on model, access, parts availability and local labor.