SOLVED: furnace and AC fan won't turn on
SOLVED: see my response below for details. In short, replacing the thermostat fuse fixed the issue. Hi All, I have a 1997 Terry 30g RV with an Atwood 8531-III DCLP furnace and a Coleman 7300 a...
Forum Discussion
drsteve wrote:
That's not how you do it... check the voltage by touching the red probe to the hot side of the fuse and the black one to ground. You are simply placing the meter in series with whatever load is present on the circuit. This doesn't measure the voltage.
This is another thing I was confused about, because what you say makes sense and I did do what you said. When I put the black multimeter connector on the neutral bar (ground) in the fuse box, I get 13V at the furnace fuse.
However, I also get 13V when I touch the red & black connectors from the multimeter to the fuse connections for the fridge (in series). Only the furnace circuit shows 0.2V when I do that. So that's another reason why I'm pretty sure the fuse is good, and the issue is somewhere along the furnace circuit.
