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Old 05-27-2013, 07:02 PM   #1
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Coleman Mach Thermostat

Hi there. We're out on the Oregon Coast during the Memorial Day weekend/week and it's still a bit cool and damp here. Having trouble with the thermostat and getting heat during the day.

The furnace and thermostat seem to work Ok overnight, but we got back from a walk and wanted to warm up our Rockwood UltraLight 2304s, and couldn't get the heat to come on. Moved the temperature setting up but the furnace did not come on. Moved the system setting from Heat to Off and back to Heat - furnace fan came on but no heat.

This thermostat has always been a puzzle to me, anyone else with this problem? Any suggestions?

Thanks,
Cold in Oregon,
John
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Old 05-27-2013, 07:10 PM   #2
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Is your propane on/full?
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Old 05-27-2013, 07:31 PM   #3
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Yes, I have gas - ooops, I thought I had gas. Just checked the stove and no gas. Checked the switchover on the dual tank and sure enough, no more green indicator, so I turned on the other and, voila, we have heat.

But that still leaves the question, why doesn't the furnace come on when the setting is moved up? It only came on when turning from heat to off to heat. It does seem to work over night - maybe it's getting far enough below the set temperature to get it to respond?

Thanks for your response that forced me to check my assumptions.
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Old 05-27-2013, 08:18 PM   #4
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Is it possible the thermostat was not set high enough to kick it on under auto?
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