# Samsung microwaves error codes | Costolio

URL: https://costolio.com/home/appliances/samsung/samsung-microwaves/
Updated: 2026-11-02

# Samsung microwaves error codes

6 microwave error codes for Samsung microwaves, what each one means and what to try, paraphrased from Samsung's own source. Codes vary by model, so confirm in your own manual.

## All codes

- [C-10 / C-11 / C-12](https://costolio.com#c-10-c-11-c-12) Gas, Easy or PH sensor error.
- [C-20 / C-21 / C-22](https://costolio.com#c-20-c-21-c-22) Temperature sensor error.
- [C-70 / C-71 / C-72](https://costolio.com#c-70-c-71-c-72) Steam sensor error.
- [C-d0 / C-d1 / C-d2](https://costolio.com#c-d0-c-d1-c-d2) Door or key error.
- [C-F0 / C-F1 / C-F2](https://costolio.com#c-f0-c-f1-c-f2) Communication error.
- [-SE-](https://costolio.com#se) A key on the panel is shorted or stuck.

## C-10 / C-11 / C-12

What it means: Gas, Easy or PH sensor error. This one often needs a licensed technician.

### What to try

- Unplug the microwave or turn it off at the circuit breaker; if its electronics recently came in contact with moisture, give it time to dry.
- Otherwise, wait 60 seconds and then turn the microwave back on.
- If the error code returns, request service.

## C-20 / C-21 / C-22

What it means: Temperature sensor error. This one often needs a licensed technician.

### What to try

- Unplug the microwave or turn it off at the circuit breaker; if its electronics recently came in contact with moisture, give it time to dry.
- Otherwise, wait 60 seconds and then turn the microwave back on.
- If the error code returns, request service.

## C-70 / C-71 / C-72

What it means: Steam sensor error. This one often needs a licensed technician.

### What to try

- Unplug the microwave or turn it off at the circuit breaker; if its electronics recently came in contact with moisture, give it time to dry.
- Otherwise, wait 60 seconds and then turn the microwave back on.
- If the error code returns, request service.

## C-d0 / C-d1 / C-d2

What it means: Door or key error. This one often needs a licensed technician.

### What to try

- Unplug the microwave or turn it off at the circuit breaker; if its electronics recently came in contact with moisture, give it time to dry.
- Otherwise, wait 60 seconds and then turn the microwave back on.
- If the error code returns, request service.

## C-F0 / C-F1 / C-F2

What it means: Communication error. This one often needs a licensed technician.

### What to try

- Unplug the microwave or turn it off at the circuit breaker; if its electronics recently came in contact with moisture, give it time to dry.
- Otherwise, wait 60 seconds and then turn the microwave back on.
- If the error code returns, request service.

## -SE-

What it means: A key on the panel is shorted or stuck. This one often needs a licensed technician.

### What to try

- Unplug the microwave or turn it off at the circuit breaker; if its electronics recently came in contact with moisture, give it time to dry.
- Otherwise, wait 60 seconds and then turn the microwave back on.
- If the error code returns, request service.

### Source

- [Microwave error codes (Samsung US Support)](https://www.samsung.com/us/support/troubleshoot/TSG10007495/) (checked 2026-11-02)

Brand names and model names are trademarks of their owners. Costolio is not affiliated with or endorsed by any manufacturer.

## Related

- [Samsung washers error codes](https://costolio.com/home/appliances/samsung/samsung-washers/)
- [Samsung dishwashers error codes](https://costolio.com/home/appliances/samsung/samsung-dishwashers/)
- [Samsung refrigerators error codes](https://costolio.com/home/appliances/samsung/samsung-refrigerators/)
- [Samsung ranges and wall ovens error codes](https://costolio.com/home/appliances/samsung/samsung-ranges-and-wall-ovens/)
- [LG microwaves error codes](https://costolio.com/home/appliances/lg/lg-microwaves/)
- [GE microwaves error codes](https://costolio.com/home/appliances/ge/ge-microwaves/)
- [All appliance error codes](https://costolio.com/home/appliances/)
