Air conditioner/furnace fan won't run

Question

I have a 2005 Cherokee 28A TT. Last fall when I closed it up everything was working fine. This spring I went to turn on the AC and the unit just hums. It sounds like the AC is working just no fan. In the past when I ran the furnace the fan would come on as well. I tried to get the furnace to kick on and I can't get that to run either.

Any help/advice is appreciated.

sprinklerman · Answer

Check your breaker box , and your electrical connection. whats perplexing is that the fan for the furnace is 12 volt , and the fan for the AC is 120 volt . The only common part is the thermostat . thats where the problem may lie

pianotuna · Answer

Hi,Is there a reliable source of 12 volt power?On my previous RV after it would sit for the winter, I'd have to give the air conditioner fan a 'PUSH' to get it going. After that it would be just fine.

mbopp · Answer

You can try getting on the roof, removing the AC shroud, and see if the fan spins freely. Mine was siezed but was still under warranty.

redlioncookie · Answer

The camper is hooked up to 120 volt and I do not have a 12 volt battery attached.  Should I connect a battery and unhook the 120 volt source?  What would that do?

referdog · Answer

remove the shourd and see if fan is turning if not give it push, and try some spray lub of some type, most likely that all it will need.  As for the furnace that would be separate deal.  The furnace powers the low voltage for the stat so the fuse is ok in the furnace because the A/C works.  Something wrong in furnace control board.

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Air conditioner/furnace fan won't run

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