I assume the fans you are talking about are at the top back (outside access area). If so, check with your coach maker-- they may be on a switch or they may be on a thermostat.You might also use a flashlight and mirror and look up in the refrigerator ...
If you can find a small compartment marked "fuse", open that up & replace the fuse. However, don't go any further into the guts of the microwave oven; some of the capacitors inside will hold a charge that will not be your friend. If no fuse place fou...
Your refrigerator has a defrost timer and it may not be going into defrost every 8 to 10 hours. I was not able to get a picture for you of the location, but look inside the fresh food compartment and inside the teperature control panel should have a ...
When you are done with your trip and are putting the RV away, don't forget to turn off the RV refrigerator (also close the propane tank valves ) and leave the doors to the freezer and regular compartment open. If you don't, then as the unit warms up,...