pull off the thermostat, twist these 3 wires

来源: borisg 于 2011-01-08 10:41:05 [] [博客] [旧帖] [给我悄悄话] 阅读数 : (112 bytes)

together: red, white, green.

if the furnace works, it's the thermostat; if not, it's the furnace.

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