Question about Samsung SMH7174BC Microwave Oven
MY MICROWAVE IS NOT HEATING THE MODEL# MR757T
Posted on Oct 06, 2007
Normally the fuse(s) in a microwave will kill all power to the unit and render it "dead", as opposed to just limiting operation. The most common causes for it to run without heating are a bad door switch, a bad relay or connection on the control circuit, a bad connection on the "FA" magnetron terminal, a defective high-voltage transformer, a defective magnetron or a shorted high-voltage diode. One thing you could do is to try gently pushing down on the door handle or the door about 1/32 of an inch or so and se if it heats then. That would indicate door switch trouble or alignment. This test can easily give you a false "positive", though. I hesistate to offer any more specific instructions unless someone is an experienced and informed DIYer or more. Even still, I would want to steer a person toward my Web site, which contains important safety info and free DIY tips. But I cannot, since such a referral would violate the terms of this site.
Posted on Oct 07, 2006
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Posted on Jan 02, 2017
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