Error code

Samsung microwave error code C-A0

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Is C-A0 on a Samsung microwave an emergency?

Usually not an emergency. If you see smoke or flames, or smell burning, turn it off at the breaker and keep the door closed. If a fire does not go out, get out and call 911.

Take the photo. We’ll tell you what it is.

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What C-A0 means

“Functional Error”

— Samsung Canada, Understanding the meaning of error codes on your Samsung microwave. Codes vary by model: check your microwave’s own manual. Samsung says this page covers microwaves sold in Canada; codes may differ elsewhere.

The same code can also show as: C-A1, C-A2.

Where C-A0 fits

Next to C-A0 in Samsung’s table: C-70 (Error with Steam Sensor) and C-d0 (Door or Key Error).

What to try first

  • Unplug the microwave or switch off its breaker for 60 seconds, then try again.

Safety: If you see smoke or flames, or smell burning, turn it off at the breaker and keep the door closed. If a fire does not go out, get out and call 911.

How urgent is it?

At least THIS WEEK. fixRAgent treats this code as a this-week repair: the appliance has reported a fault, but the code alone does not point at a safety hazard. This is fixRAgent’s reading, not the manufacturer’s. A photo can raise it — water near wiring, scorch marks, a gas smell — but a code never lowers what the photo shows.

Who to call

Appliance repair. Have the model and serial numbers from the label ready — a photo of the label works.

Recalls and manuals

Check whether your model is under a safety recall on the U.S. Consumer Product Safety Commission’s site: cpsc.gov/Recalls. Your owner’s manual is on Samsung’s support site; search it with the model number from the label.