The correct sequence is:

来源: borisg 于 2017-12-31 09:07:35 [档案] [博客] [旧帖] [给我悄悄话] 本文已被阅读： 0 次 (332 bytes)

回答: 现在还是可以出冷风， blower motor 是不是还是好的？由 nanbudao 于 2017-12-31 08:59:37

inducer motor on ->vacuum switch close-> ingitor on -> flame on -> blower motor on.

Or you may have an old one (which does not seem to be the case, as you said it is only 2 years old), the blower motor can be on without flame.

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