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heater-air question 700 1988

posted by  dn010 on  Mon Mar 26 10:39 CST 2012
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last visit: Tue Jul 31 17:13 CST 2012
[RELATED]

Hey guys, in my 780 when I turn the fan speed dial to any position, there is a long whine sound coming from the fan motor area, a click then the fan engages to the set speed with the whine disappearing after the click. Sometimes the fan doesn't come on after the whine/click. My question is what is this whine? Is it normal? Why is it sometimes the fan won't come on after the noise? I was thinking at first it was the fan motor but that seems fine... Any suggestions? Thanks in advance






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