Volvo AWD 850 Forum

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fan not working on high... 850 1994

The A/C fan will blow only on speeds 1,2,and 3. Turning to 4 shuts the fan off completely. Is this a common malfunction? What is the fix for this? Thanks in advance.

Rick in West Tennessee








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fan not working on high... 850 1994

The 1994 850 has 2 separate fuses : 1 is for the blower motor speeds 1-3, and the 4th speed setting has its own entire fuse. Go back and check your fuses out. I'm 99% sure you have a blown fuse for fan speed 4.








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fan not working on high... 850 1994

Thanks for the tip, you were right on the money! Blown fuse. Replaced, and now blowing hard. This board is great.
Rick








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fan not working on high... C70 1999


My recirc blower is not engaging. Other HVAC fans are
fine, just that boost you get with the recirc mode
is missing. Could the fuse also be the problem in my case?

TY

RD







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