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Anonymous Posted on Jan 28, 2018

Upon setting the unit up--mod#smh7174wc--it will start up but quit after only3,4,5 seconds as if a breaker kicked out--no breaker external to unit kicks out--confirmed with using ext cord to plug into

Did the unplug ,pushed my choice , selected #1 , push my choice again , then start , set clock , set time to cook then it worked---however it at random will not work---does not cook without fan on--does not produce a lot of steam when cooking---however we are second owner--production date aug 04

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William Miller

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  • Samsung Master 9,179 Answers
  • Posted on Jan 28, 2018
William Miller
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It sounds like you may have one or more bad connections on the bottom of your noise filter board.

The service manual for your model is here.

You or a friend can check the connections for "ring cracks," and if any are present, remove the old solder and apply fresh 60/40 tin/lead solder. If the push-on terminals are damaged, they must be replaced, too.

More questions? Contact me directly here.*

* always include the full model number and FCC ID number from the label on / in your microwave
upon setting the unit up--mod#smh7174wc--it will s - smh9187st_noise_filter_board_connections2_small-l1w2uc1mgnmdxwxqhwe3r0vy-2-0.jpg

ring_crack-l1w2uc1mgnmdxwxqhwe3r0vy-2-10.jpg

5 Related Answers

Anonymous

  • 1 Answer
  • Posted on Jan 13, 2008

SOURCE: Samsung Over range Microwave

Mine just started today too. I am thinking of taking a ball bat to it. Samsung foriegn made piece of shit.

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MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Oct 19, 2008

SOURCE: Samsung MU3250W Shut down

It could have been steam or humidity.

If this is an over the range model, be sure you always use the hood vent exhaust fan when you're cooking on the stove top.

Whether it's a counter top or over the range top, always be aware that the cooling fan is running when it's cooking.

When in doubt feel for air flow through the vents.

Good luck.

Anonymous

  • 4 Answers
  • Posted on Mar 26, 2009

SOURCE: Samsung Model MR6699GB microwave, unit comes on but does not cook

Its either your primary door switch or there is a diod inside on the right rear that needs to be replaced. to check the door switch, remove the cover disconnect the wires frome the switch and place a jumper wire on them and try it . if the problem persists it the diod. be carful. make sure there is no power going to it when your hands are in the microwave. and do not let it run to long or you will damage it.

Anonymous

  • 2 Answers
  • Posted on Apr 17, 2009

SOURCE: Samsung Over range Microwave

I have the same "SE" problem. After reading this thread here, I realise it's likely the keypad problem, which explains the microwave's behaviour (no key was working).

So there were two possibilities. (1)keypad failure and (2) bad connection.

Obviously the easiest thing I could start with is to clean the connection. So I first take the cover off. Behind the keypad is a circuit board. In addition to a few connections between the circuit board and other parts of the microwave, there is a ribbon connecting the keypad to the circuit board.

Loose the plastic on the connection, pull the ribbon out from the socket. I then used spirit to clean the exposed copper connections. Put every thing back to place.

Voila, it's working again and we have been living happily ever after.....

Anonymous

  • 43501 Answers
  • Posted on Jul 08, 2011

SOURCE: No Power on at all

Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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