It seems like fans are always off-high-medium-low. Is there a reason for this?
In: Engineering
Protects the motor.
When I was a fairly young & newish car owner, I burned out a fan motor in the cabin air circulation because I’d consistently turn it on low (from off).
The mechanic who replaced it was kind enough to explain to me that he saw lots of this exact thing, for that exact reason, and recommended starting a fan by turning it to high first, then reducing to the desired speed.
Have followed his advice ever since and never burned out another fan motor, whether in a car or home fan.
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