Question about 2007 BMW 525xi Sedan
I was adjusting the fan speed in my car, when suddenly the fan stopped working. There is some cold air coming out of the vents, but the fan is not working.
The indoor and outdoor unit have separate breakers,so one can run with the other.It would not cool. Check the separate breakers to be sure their on.Take the cover off the t-stat, you will see a red and a green wire.remove these and touch them together.If the fan runs you probably have a bad thermostat.If it does not .The problem is inside the indoor unit.There is a disconnect or breaker on the cover. remove it, pull the cover off and put the dis connect back in.If the fan hum ms or turns slowly you have a bad capacitor or fan motor. Try the cap. first,if still not running the motor is most likely the problem.Should the motor not try to run or hum,it could be a blown fuse, you will see it in a small circuit board if you have one.It could be the circuit board itself,or a bad fan relay.A meter can help you trace this if you have one.Be careful as there is 220 volts powering this unit.Good luck
Posted on Jun 22, 2008
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