I have Coleman heat pump units and an LPG furnace. When using just the furnace, it will sometimes not restart after the coach has cooled significantly unless I turn the switch on the thermostat off and then back on. I don't want to spend $70-80 on a new thermostat if that is not going to fix the problem. Anyone had this issue and know the answer?
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Check your house batteries and the connections. I've got very similar problem. I found a poor connection from the converter to batteries. I'm testing the furnace now.
Update. My furnace has been operating properly all day. Apparently, if voltage drops too low, the furnace stops and won't start without turning it off and back on. With the loose connection, my batteries were not getting charged fully. My next task is to desulfate and equalize the batteries and check their specific gravity. I hope you don't have to replace your thermostat.
Thank you for the suggestion. This began after several days of dry camping and it may be the battery issue you identified. I'll be checking the batteries and the wiring tomorrow.
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