NORCOLD Model N1095 LI-oP code

I have a 2016 Arctic Fox 25Y trailer with the NORCOLD N1095 refrigerator.  Last year we ended the season with problems getting it to light on propane without failure and the LI-oP  code. After several tries it would go.  Our first two trips this year it would light and go fine, but the second trip at 2:30 in the morning it went out with the warning beeps.  After several tries it worked and stayed on for several days.  Have a fellow from our repair facility trying to find a fix, with no luck as of yet.  It is supposed to be a problem with the high temp limit switch, and no replacement being found.  Does anyone have a fix they could share?  This puts a real crimp in the camping plans.  Thanks.  Mike.