All intakes and exhaust are clear. Furnace "will" light if i operate the sail switch. Sail switch is operating properly. My problem is low voltage and a slow spinning fan motor that doesnt provide enough air flow to close the sail switch. When batteries have sufficient charge the furnace works properly. I think my problem is the converter since the batteries are only 3 months old.
We had a power outage today. Still out as a matter of fact. Fridge properly switch to propane automatically, but batteries are down to 9.6 volts.
So now i need to find and test the converter. Just dont know where it is.