Max Fan will not turn on no humming either
I went to turn on the Max Fan when I started cooking and it would not turn on and doesn't hum. Anyone have any suggestions. It was already installed in our Winnebago when we purchased it New ...
Forum Discussion
SCVJeff wrote:
First, the fan should never hum unless your inverter is in real trouble. There is likely a push switch that is controlled by the lid. Lid closed, fan off... Those are also famous for corroding or rusting that will cause exactly what you describe and its a common problem. Short term fix is to go on the roof, grab the plunger and twist to wear off the junk.
If you rule out the temp being to cold for the thermostat to turn it on I would go with this. We have a fantastic fan in the bathroom that does not have a thermostat. Every once in a while when I open it I have to go up on the roof and mess with the plunger switch to get it to turn on. One of these days I will just replace the switch. Those vent fans get a lot of moisture up in there. This time of year the furnace running will create even more moisture.
