E-04 reports a cooking time setting over error (convection)
Need microwave service in San Francisco?
Samsung microwave problems in San Francisco and nearby towns go through Samsung microwave repair. Dial (415) 969-6153. Have the E-21 code, the model number and the reset you tried ready.
Model compatibility: Samsung reuses codes across series and model years, so E-21 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
E-21 is Samsung's open temp sensor error.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
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