Some time in the middle of the night, the Coolcat in our new 2019 T@B 400 started to make a fairly loud whining, whistling noise that seems to be associated with the fan running (it's present whether the compressor is on or off). It's cooling the camper just fine, but something isn't right. I made a recording for reference, downloadable here. Any guesses?
https://www.dropbox.com/s/uouxe57r4qjlp60/Mosquito Lake State Park.m4a?dl=0 Jim
Jim Kuzman, Girard OH - 2019 T@B 400 - TV 2019 Volkswagen Atlas SE 4Motion w/ Factory Tow Package
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On the nüCamp T@B 320’s (pre-2020 models), they, too, have to tilt their 320’s to allow the drainage to reach their drain hose so the tray will drain.
2021 T@B 320S Boondock “The T@B”
Towed by a white 2019 Ford F-150 4x4 Supercab, 3.5L V6 Ecoboost “The Truck”
2019 T@B 400 BL
2021 Toyota Sequoia 4WD
As far as the noise goes, I took off the wooden dinette seat to look for anything obvious and discovered that if I touched any of the three flexible outlet hoses, the pitch and intensity of the sound would change making me wonder if the noise was actually air-related rather than mechanical. Oddly, if I pushed down gently on the foil top cover right in the center of the unit, the noise went away entirely but returned as soon as I removed my hand.
Thankfully we are nearing the end of the warm weather season (despite record-breaking temps early this week) so unless it gets worse I’ll add it to the small punch list of warranty items (and a couple of upgrades) to be addressed this winter.