I see the same frost build up and also attribute it to leakage around the lid. I haven't fixed it yet.
-- Dennis C. Touche' 35-1 #83 Mandeville, LA On Fri, Jun 19, 2020 at 10:29 AM Dreuge via CnC-List <cnc-list@cnc-list.com> wrote: > Hi Dennis, > > I have the Isotherm 3751 ASU SP system and I experienced something similar > last Fall. The unit was alternately flashing yellow/red and was not > working. I shut turned off the power at the breaker, clean up the > defrosted moisture in the bottom, and threw out the mayo, mustard, and > ketchup. I turned the unit back on and it started working. I started > reading up on Isotherm ASU trouble shooting, but the unit has been working > fine since. > > Prior this occurrence, I noticed a good amount of frost build up on the > cold plate which I attributed to a poor seal on the access lid. I have > since improved the lid seals and added a 1” foam mat (cut from an exercise > mat) to cover over the whole top. I don’t know if it was the power > cycling, some odd frost build up issue with ASU, or something else, but the > units has been continuous running fine for over 7 months now (knock on > teak). > > - > Paul E. > 1981 C&C Landfall 38 > S/V Johanna Rose > Fort Walton Beach, FL >
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