Hi Mikey,
The fans run off a thermostat and come on when the OAT is below a set temp, not sure what it is, but they should come on when its in the high 70's -80's. Mine failed a long time ago, so it's removed and switches installed to turn on as I need them. The fans do help, but it sure sounds like you have other issues causing you problems. Talk to Andy about installing switches.
There is a temp control thermostat that could be bad (someone else had that replaced for a similar problem). Then the elec control board is always a concern.
Hope they get it going for you soon.
Bill
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