Samsung SMH7174BC Microwave Oven "fan works low" Questions

Fan works when component heat is higher so its normal. If you are comfortable opening the machine, look at the boards for signs of burnt components or cracked or loose solder joints. As a side note, I

...fan is too slow. High is equivalent to low on my previous ge xl 1800. The boost button works just as good as my previous one but the hi med and low are extremely slow. Low is almost not even on. Is ...

...low. The vent fan worked the first time I used it. Now when I turn it on high or low it sounds like its getting the command but just not working. Is this thermostat controlled? no, it is not ...

...fan has three states hi / low / off. These work correctly if the microwave is not in use and is only being used as a fan / vent. The problem is that there doesn't appear to be a way to turn the fan ...

...was getting the "Vent Fan Off" message, and despite the fact that everything else worked fine with the microwave, I turned the breaker off and back on from my electrical panel. The fan works fine

...works fine. This is the vent fan. When fan quit working, it popped and also blew out both lights in base of this wall-mounted unit. 2- 40w bulbs. Mic seems to be working just fine, heating things up, ...

...fan now does not work. The microwave works fine, except for the lights and fan. The control panel seems fine, because when I press the fan or light buttons they are acknowledged. When I hit the fan ...

...- fan speed very low The microwave still works, but the venting fan barely blows. I assume this needs to be fixed. Replace the fan motor. Lack of cooling can cause serious and expensive

...Fan only works on 'low' speed I have had this wall-mounted microwave for 3 years now and never experience problems, until just a month ago, the 2-speed fan has been malfunctioning. The "high" speed ...

...works fine except fan doesn't work. We vant out the back and did turn the fan to do so. Help? If this is an overhead builtin unit and you want the unit to vent outdoors and not back into the kitchen, ...