Quote:
Originally Posted by Peanut-adventures
Hi all. I have a 2018 Thor quantum pd31. Just pickup my MH from dealers free some maintenance work done. I plugged it in (connect to shore power) like I always do and I hear a fan noise coming from the electric panel under the bed. If I shut off the main breaker in the panel the “fan” noise goes away.
Anybody know what that noise is?
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It is the cooling fan for the converter. WFCO uses the converter's output to control the speed of the fan and not the temperature of the converter. Most converters have two speed fans and not infinitely variable ones.