Blower Only Works When T.stat Set To Fan On, Not Auto - HVAC - DIY Chatroom Home Improvement Forum


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Old 08-25-2011, 08:36 PM   #1
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blower only works when t.stat set to fan on, not auto


snyder general mod. GUA080a012-IN blower kicks on when t.stat fan set to on but doesnt work when in auto, i did apartment maintenance for a cpl months and that problem was a bad relay that would be replaced. but i see nothin like that on my furnace

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Old 08-25-2011, 09:21 PM   #2
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blower only works when t.stat set to fan on, not auto


you need to check thermostat and wires between thermostat and furnace

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