Why Samsung SMH7178STE fan motor turns on when plugged in?
If the fan motor of your Samsung Microwave Oven turns on as soon as it's plugged in, it's likely due to loose wiring of the door sensing switch. Check the wire of the door sensing switch.
What to do if my Samsung SMH7178STE Microwave Oven isn't accepting key inputs?
If your Samsung Microwave Oven isn't accepting key inputs, it could be due to the key input not being in sequence, 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. Replacing the PCB main might solve the problem.
What to do if my Samsung SMH7178STE Microwave Oven has no display and no operation at all?
If your Samsung Microwave Oven is completely dead with no display or operation, and the fuse is OK, the problem might be 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 thermal cutout is defective. Check Ass’y PCB when LVT is defective.
What to do if my Samsung SMH7178STE Microwave Oven display works but the power won’t come on?
First, make sure the door is securely closed. Then, check for any packing material or obstructions stuck to the door seal and inspect the door for any damage. If everything appears normal, press Cancel twice and re-enter all cooking instructions.
What to do if my Samsung SMH7178STE stops before the set time?
If your Samsung Microwave Oven powers off prematurely, and there hasn't been a power outage, unplug it, wait ten seconds, and then plug it back in. If a power outage occurred, the display will show “ ENJOY YOUR COOKING - - PRESS MY CHOICE FOR PERSONAL OPTIONS”. In this case, reset the clock and any cooking instructions.
What to do if my Samsung SMH7178STE Microwave Oven stops operation during cooking?
If your Samsung Microwave Oven stops operating during cooking, it could be due to an open or loose wiring of the primary interlock switch or the operation of thermal cutout (Magnetron). Try adjusting the door and latch switches.
What does error3 mean on my Samsung SMH7178STE display?
Error3 on your Samsung Microwave Oven display means that, on the cooling mode, the sensor’s Vout was not less than 4.7V within 3 minutes. Let the oven cool for at least 5 minutes.
What does error4 mean on my Samsung SMH7178STE display?
Error4 on your Samsung Microwave Oven display indicates that the door was opened during sensing. Press the ‘pause/cancel’ pad, and then you have to do all over again.
Why is my Samsung Microwave Oven sparking?
Sparks in your Samsung Microwave Oven are likely caused by metallic ware or cooking dishes touching the oven wall, or ceramic ware trimmed with gold or silver powder. Do not use any type of cookware with metallic trimming.
What to do if my Samsung SMH7178STE Microwave Oven timer starts countdown but no microwave oscillation?
If the timer on your Samsung Microwave Oven is running, but there's no heat, and the oven lamp and fan are on, the issue might be due to off-alignment of latch switches, a loose connection in 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. Try adjusting the door and latch switches. Also, check the high voltage components and replace them if defective. Replacing the PCB main may also resolve the issue.
Safety measures to avoid harmful exposure to microwave energy.
Key safety guidelines and warnings for appliance use.
Proper grounding and vent fan operation safety guidelines.
Steps to power on and select the display language.
Using the My Choice feature to customize options like display weight.
Utilizing Sensor Cook and Sensor Reheat functions.
How to use the Power/Auto Defrost feature for frozen foods.
Solutions for common problems like display errors, no power, or slow cooking.
Details on the limited warranty period and coverage.
Safety measures to avoid harmful exposure to microwave energy.
Key safety guidelines and warnings for appliance use.
Proper grounding and vent fan operation safety guidelines.
Steps to power on and select the display language.
Using the My Choice feature to customize options like display weight.
Utilizing Sensor Cook and Sensor Reheat functions.
How to use the Power/Auto Defrost feature for frozen foods.
Solutions for common problems like display errors, no power, or slow cooking.
Details on the limited warranty period and coverage.
General| Capacity | 1.7 cu. ft. |
|---|---|
| Power | 1000 Watts |
| Turntable | Yes |
| Sensor Cook | Yes |
| Cooking Presets | Yes |
| Color | Stainless Steel |
| Convection Cooking | No |
| Grill Function | No |
| Child Lock | Yes |
| Auto Defrost | Yes |
| Keep Warm Function | Yes |
| Type | Over-the-Range |
| Control Type | Touch |
| Turntable Diameter | 12.5 inches |
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