Well same happened to us this morning at 9:43a, our rear AC while running quietly by itself in LO AUTO in our 3 year old (fulltiming) 2017 North Point 377RLBH, came roaring to life like an air compressor on the roof turned on. HOLY CRAP! Sounded awful. About 20 seconds total elapsed before we could get it to turn off, and a burnt smell coming out the vents. I first thought the compressor fried on us. I called AirExcel and Tech Mike said it probably is the run capacitor gone bad where voltage dropped below 108v starving the compressor. We’re on our 5 acre property in TX hill country, so I called the electric company to see if there might have been a voltage drop recorded as ac’s in the area may have simultaneous kicked on as today’s hi temp peaked about 102.
I got up on the hot roof, pulled the cover and had the DW start up on low fan only and things seemed ok. I said goto cool lo, compressor turned on, ran quietly, I said turn to hi fan now and major blower fan noise came on and the blower motor shook violently in its rubber confines. After the LCD off command, it runs another 5 or 7 seconds before it shuts down. I pulled the blower housing off and found this:
So now somethings up with the squirrel cage fans. It appears we have the latest plastic D version 3 blade on the condenser fan, I’ve read the history since 2014. Sad. Now this. I’ve ordered the part plus a spare from Amazon, and the reviews show they too are breaking again and again. Today is Thurs, and it won’t arrive till Monday. No one near us has this part in stock, as I’d gladly drive 90 miles to get it same day. I just hope our forward AC can keep us cool in this 100 degree heat till Monday evening. I’ll be inspecting all remaining fans closely it when it gets cooler.
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2007 Dodge Ram 3500 Laramie MC 4x2 DRW 6.7CTD, B&W Companion Slider 3405, Edge Evolution CS (deleted DPF/DOC-special tune), TireMinder TM-77, Firestone air springs, CustomFlow tailgate, Tonnosport tonneau cover, Champion 3100w genset
2017 Jayco North Point 377RLBH w/Kodiak disc brakes/Titan actuator, Truma AquaGo Comfort, Sailun S637, home of Darin & Dana. Where the 377 has been towed since 5/27/16: