Samsung Microwave Error Codes: Why Cooking Stops

Learn what Samsung microwave codes reveal about temperature, humidity, steam and gas sensors, stuck keys, door detection, touch controls, overheating, and internal communication. Review the safe power-reset procedure and recognize when a recurring warning requires professional microwave diagnostics in San Diego.

Homepage Supports Samsung Microwave Error Codes: Why Cooking Stops

Samsung Microwave Error Code Service Companion

Samsung microwave codes C-10, C-11, C-12, C-20, C-21, and C-22 belong to two sensor-related fault families. The first group concerns the gas, Easy, or PH sensing system, while the second group relates to temperature monitoring. When either system sends an abnormal signal, the microwave may interrupt a cooking program rather than continue without reliable sensor information.

This page helps San Diego homeowners understand what these messages generally indicate, what symptoms may appear, and which basic steps can be taken safely before professional microwave service is requested.

Reset Appliance Repair provides local help for Samsung microwaves that stop during sensor cooking, fail to regulate automatic programs, display repeated temperature alerts, or no longer operate normally after a fault appears.

Why Samsung Microwaves Monitor Sensors

Modern Samsung microwaves use sensors to adjust selected automatic functions. Depending on the model, a sensor may help evaluate conditions inside the cooking compartment or track temperature during operation.

A sensor code does not necessarily prove that the sensor itself must be replaced. The cause may involve the sensor circuit, its wiring, an electrical connection, moisture near the electronics, or the control system interpreting the signal.

Because Samsung microwave designs vary, the exact model number should be checked before internal parts are tested. The fault family provides a starting point, but the appliance still needs a complete diagnosis when the warning returns.

Primary Samsung Microwave Sensor Fault Family

Gas, Easy, and PH Sensor Codes: C-10 / C-11 / C-12

Samsung identifies C-10, C-11, and C-12 as faults involving the gas, Easy, or PH sensor system. These sensors are associated with compatible automatic cooking and detection functions.

A microwave showing one of these codes may start an automatic program and then stop, refuse to complete a sensor-based function, or return the warning shortly after cooking begins. Manual timed cooking may behave differently, but continued operation should not be assumed safe simply because one mode still responds.

The three codes belong to the same broad family, but they should not automatically be treated as interchangeable proof of one failed component. The model-specific service information is needed to determine whether the problem involves the sensor, connector, wiring path, power supply, or electronic control.

Steam, a spill, or moisture near the control electronics can sometimes contribute to microwave errors. Samsung recommends allowing the appliance time to dry when moisture may have reached the electronic area before restoring power.

Other Samsung microwave sensor faults may also appear:

Temperature Sensor Codes: C-20 / C-21 / C-22

The C-20, C-21, and C-22 group indicates a temperature-sensor error. Samsung’s regional service guidance describes this family as an open or short condition involving the temperature-sensor circuit.

The temperature sensor helps the microwave’s electronic controls evaluate heat conditions during compatible programs. When its signal is missing, electrically abnormal, or outside the expected range, the appliance may cancel cooking to avoid operating with unreliable temperature information.

Homeowners may notice that the microwave stops after several seconds, ends an automatic program early, refuses to continue heating, or displays the same code immediately after being restarted.

A C-20, C-21, or C-22 message should not be cleared repeatedly while the microwave continues behaving abnormally. A damaged sensor, loose connector, broken wire, or electronic control fault will not be corrected by repeated power cycling.

Safe Checks Before Requesting Service

Record the complete code before disconnecting the appliance. Similar characters can be easy to misread on a segmented microwave display, so a photograph can be useful.

Samsung recommends unplugging the microwave or switching it off at the circuit breaker. If moisture may have reached the controls, allow the unit time to dry. Otherwise, wait approximately 60 seconds before restoring power. If the same code returns, service is generally required.

Check whether the fault appears only during an automatic sensor program or during every heating mode. Also note whether the appliance stops heating, produces unusual sounds, smells electrical, or behaves unpredictably.

Do not remove the outer cabinet, touch internal wiring, or attempt to test the sensor circuit. Microwave ovens contain high-voltage components that may retain dangerous electrical energy even after the appliance has been disconnected.

Samsung Microwave Error Code Help in San Diego

Repeated C-10, C-11, C-12, C-20, C-21, or C-22 codes usually require more than a basic restart. Local in-home service can determine whether the fault involves the gas or PH sensor system, temperature sensing, wiring, electrical connections, or the main electronic controls.

Related Samsung Appliance Error Code Guides

Use these Samsung resources to compare microwave warnings with the broader brand library and closely related cooking appliance guides.

Samsung Appliance Error Codes: Start with the main Samsung appliance error code guide for an overview of diagnostic messages across Samsung cooking, refrigeration, cleaning, and laundry appliances.

Range and Wall Oven: Review Samsung range and wall oven error codes for related cooking-appliance faults involving temperature sensing, heating circuits, cooling fans, door operation, power, and electronic communication.

Refrigerator: Explore Samsung refrigerator error codes when another Samsung kitchen appliance displays alerts connected with cooling, fans, defrost operation, sensors, power conditions, or component communication.

These connected guides help homeowners move from Samsung microwave diagnostics to the related cooking category and the wider kitchen appliance support library.

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Samsung Microwave Error Code Meanings and Recommended Actions

The table explains Samsung microwave codes C-10, C-11, C-12, C-20, C-21, and C-22. It identifies the sensor system associated with each message and provides safe power-reset and moisture-drying guidance, while indicating when a recurring code requires professional diagnosis.

Error Code Meaning Safe first steps Technician required Related help
C-10 / C-11 / C-12 Gas / easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
C-20 / C-21 / C-22 Temperature sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-04 Cooking time setting over error (convection). Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-05 Cooking time setting over error (combination). Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-06 Swing heater error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-11 Open gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-12 Short gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-13 T1 max time gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-14 Dry up / no load gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-21 Open temp sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-22 Short temp sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-23 T1 max time error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-24 Over temperature error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-25 Micro cook abnormal temperature error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-26 Temperature not over AD error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-31 Open gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-32 Short gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-33 Under weight error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-34 Over weight error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-35 Invalid weight error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-36 Door open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-41 Open easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-42 Short easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-43 T1 max time easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-44 Dry up easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-45 Cooling error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-46 Primary open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-47 Door open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-51 Sense failure. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-52 EEPROM short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-53 Read / write error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-54 Zero error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-61 Open humidity sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-62 Short humidity sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-63 T1 max time humidity sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-71 Steam sensor open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-72 Steam sensor short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-81 Communication open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-82 Communication short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-83 Communication error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-X1 Additional open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-X2 Additional short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
-SE- Key short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
TE Touch communication error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
C-10 / C-11 / C-12 Gas / easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
C-20 / C-21 / C-22 Temperature sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-04 Cooking time setting over error (convection). Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-05 Cooking time setting over error (combination). Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-06 Swing heater error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-11 Open gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-12 Short gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-13 T1 max time gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-14 Dry up / no load gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-21 Open temp sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-22 Short temp sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-23 T1 max time error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-24 Over temperature error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-25 Micro cook abnormal temperature error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-26 Temperature not over AD error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-31 Open gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-32 Short gas sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-33 Under weight error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-34 Over weight error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-35 Invalid weight error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-36 Door open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-41 Open easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-42 Short easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-43 T1 max time easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-44 Dry up easy / PH sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-45 Cooling error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-46 Primary open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-47 Door open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-51 Sense failure. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-52 EEPROM short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-53 Read / write error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-54 Zero error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-61 Open humidity sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-62 Short humidity sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-63 T1 max time humidity sensor error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-71 Steam sensor open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-72 Steam sensor short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-81 Communication open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-82 Communication short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-83 Communication error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-X1 Additional open error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
E-X2 Additional short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
-SE- Key short error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.
TE Touch communication error. Unplug or switch off the breaker for 60 seconds. If moisture may be present, allow the microwave to dry before restoring power. Yes — if the code returns.

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