Furnace works; then doesn't; works again?
2003 Fourwinds E450. Last trip to NY, furnace did fine all day but went to bed and wouldn't hold temperature and could hear blow turn on but ignitor won't fire, so turned it off. Just got it back from...
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If your not plugged into shore power then what your experiencing sounds like your battery is getting low. Your heater only generates heat when the fan is running fast enough to open the sail switch (safety mechanism which much be open for the gas to flow) - and when your battery starts to run down the fan may energize but not run fast enough to open the sail switch. Just my 02.
