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Old 10-04-2016, 04:47 PM   #1
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2013 encounter, just bought this one. furnace will not ignite. and blow warm air. what do I check

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Old 10-05-2016, 05:52 AM   #2
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Posts: 441
Propane - Light a couple stove burners for a moment, this will ensure the LP lines are purged and LP is available to the furnace.

POWER - Furnace blower runs on 12 volts, if 12 volts is low, the blower will not run fast enough to activate the safety "Sail Switch". If you're on shore power, this you should have good 12 volts.

Bugs - go outside and inspect the furnace vents (intake and exhaust. These make great bug condos during the summer.

2001 Coachmen Mirada (Ford F53 6.8L V10) - Toad 2001 Civic
It won't do MACH 2, but I can get a sandwich and take a pee.
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Old 10-06-2016, 08:19 PM   #3
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Location: South Carolina
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Is your furnace a Suburban SF Series? If so, try to download this service manual. If not, maybe this website has a manual for yours.

More info is needed for others to help if none of the previous poster's suggestions reveal the problem.

What happens?

Does the furnace fan blow a good air flow, both from the heat registers and from the outside vent?

Does it just click but no air flow?

Does it do nothing?

If it does nothing, shut off power to the thermostat so it will reset and try it again. It will lock out after three failed trys.
2011 Sunseeker 3100
1997 Pathfinder Toad
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