Samsung microwave codes fall into groups: C-d0/C-d1/C-d2 and E-01 are door or keypad faults, C-10 to C-22 are food and temperature sensors, C-F0/C-F1 and TE are communication errors, E-24 means too hot inside and E-45 a cooling fan problem. Samsung's first step is always a power cycle — unplug or switch off the breaker, let it dry if moisture got in, restart. Codes that return need service; never open the cabinet.
Want it fixed instead? Same-day or next-day visits across the Las Vegas Valley — the $75 diagnostic is credited toward the repair.
| Code | What it means | What you can do |
|---|---|---|
| C-d0 / C-d1 / C-d2 | Door or keypad fault | Power cycle; check the door. Repeats need service. |
| E-01 | Door opening detection error | Power cycle; repeats need the door switch. |
| C-10 / C-11 / C-12 | Gas / food sensor fault | Power cycle; repeats need service. |
| C-20 / C-21 / C-22 | Temperature sensor fault | Power cycle; repeats need service. |
| C-F0 / C-F1 / TE | Communication error between boards or touch panel | Power cycle; repeats need diagnosis. |
| E-24 | Temperature too high inside | Let it cool; clear vents. Repeats need service. |
| E-45 | Cooling fan problem | Stop using it; call. |
Codes and their meaning can vary by model and production year, and the same code can have different causes. Where sources disagree we say so; in every case the exact cause is confirmed only by a technician's on-site diagnosis. Your owner's manual has the definitive list for your model.
Code came back after these checks? That means a part has failed — let a technician confirm it before parts are guessed.
Unplug the appliance (or switch off its breaker) before touching anything inside it, and never open a sealed refrigeration system, a gas valve or a microwave. If a code points to a part, the part has to be tested before it is replaced; we do that on the $75 diagnostic visit, credited toward the repair.
Unplug it or switch off the breaker for 60 seconds, then restart.
Outside checks only — the inside holds dangerous high voltage.
Sources: Samsung US: microwave error codes.
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A 38-year-old Sub-Zero 500 Series freezer most companies would have written off: we replaced the compressor, evaporator, heat exchanger and drier with OEM parts and retrofitted it from R12 to a modern refrigerant.
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