Samsung SMH7174WE User Manual (English)

Questions and Answers:

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ggarciaAug 21, 2025
What to do if my Samsung Microwave Oven timer starts but there is no heat?
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  Cindy HoustonAug 21, 2025
  If the timer on your Samsung Microwave Oven starts counting down, but there is no microwave oscillation (no heat, while the oven lamp and fan motor turn on), it may be due to off-alignment of latch switches, an open or loose connection of the high voltage circuit (especially the magnetron filament circuit), defective high voltage components (H.V.Transformer, H.V. Capacitor, H.V.Diode, H.V.Fuse Magnetron), open or loose wiring of the power relay, a defective primary latch switch, or a defective power relay or Ass’y PCB. Adjust the door and latch switches. Check the high voltage component according to the component test procedure and replace it if it is defective. Replace the PCB main.
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Steven WilsonAug 23, 2025
What to do if my Samsung SMH7174WE Microwave Oven does not accept key input?
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  Lindsey WalkerAug 23, 2025
  If your Samsung Microwave Oven does not accept key input (program), it could be because the key input is not in sequence, there is an open or loose connection of the membrane key pad to the Ass’y PCB, a shorted or open membrane panel, or a defective Ass’y PCB. Refer to the operation procedure. Replace PCB main.
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jjohnsonAug 25, 2025
What to do if my Samsung Microwave Oven can program but timer does not start?
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  Cameron YoungAug 25, 2025
  If your Samsung Microwave Oven can program but the timer does not start, it could be due to an open or loose wiring of the secondary interlock switch, off-alignment of the primary interlock, or a defective secondary interlock S/W. Adjust the door and interlock switches.
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Gwendolyn WallaceAug 26, 2025
Why is my Samsung SMH7174WE Microwave Oven taking longer to cook food?
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  zbenitezAug 27, 2025
  If your Samsung Microwave Oven is taking longer to cook food, it could be due to a decrease in the power source voltage, an open or loose wiring of the magnetron filament circuit, or the aging of the magnetron. It is recommended to consult an electrician.
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Sherry SanchezAug 28, 2025
Why is my Samsung Microwave Oven cooking unevenly?
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  Julie JonesAug 28, 2025
  Uneven cooking in your Samsung Microwave Oven is due to the uneven intensity of microwave due to its characteristics. Wrap thinner parts of the food with aluminum foil. Use plastic wrap or cover with a lid. Stir once or twice while cooking foods such as soup, cocoa, or milk.
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Sarah GutierrezAug 29, 2025
Why is the turntable motor in my Samsung SMH7174WE not rotating?
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  bellsarahAug 29, 2025
  If the turntable motor in your Samsung Microwave Oven does not rotate, it could be due to an open or loose wiring of the turntable motor or a defective turntable motor. Replace the turntable motor.
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Linda BrownAug 31, 2025
What to do if my Samsung SMH7174WE Microwave Oven is sparking?
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  Mary VaughnAug 31, 2025
  Sparks inside your Samsung Microwave Oven can be caused by metallic ware or cooking dishes touching the oven wall, or ceramic ware trimmed with gold or silver powder. Avoid using cookware with metallic trimming.
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Kimberly SimsSep 2, 2025
What to do if my Samsung SMH7174WE is completely dead?
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  Yvonne FitzpatrickSep 2, 2025
  If your Samsung Microwave Oven is completely dead, with no display and no operation at all, and the fuse is OK, it could be due to an open or loose lead wire harness, an open thermal cutout (Magnetron), an open low voltage transformer, or a defective Ass’y PCB. Check the fan motor when the thermal cutout is defective. Check Ass’y PCB when LVT is defective.
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Matthew MarshallSep 3, 2025
What to do if my Samsung Microwave Oven has no display and does not work, and the fuse is blown?
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  Nathan GarciaSep 3, 2025
  If your Samsung Microwave Oven has no display and no operation at all, and the fuse is blown, it could be due to a shorted lead wire harness, a defective primary latch switch, a defective monitor switch, a shorted HV capacitor, or a shorted HV transformer. Check the adjustment of the primary, interlock monitor, power relay, and door sensing switch.
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Stacy SerranoSep 5, 2025
What to do if my Samsung SMH7174WE is making a loud buzzing noise?
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  Benjamin SimsSep 5, 2025
  A loud buzzing noise from your Samsung Microwave Oven can be caused by a loose fan or fan motor, loose screws on the H.V.Transformer, or a shorted H.V.Diode. Tighten the screws of the fan motor and the H.V.Transformer. Replace the H.V.Diode.