<strong>Yahoo Message Number: 67225</strong>Once again our Norcold 1200 ser. #9990533 has failed. I keep the display in "Diagnostic" mode to monitor the fin temps. This morning the reading jumped from 21 to 89 degrees and the interior light doesn't come on. <br/>Checked all the fuses, connections, put it in bypass mode, pulled power, ohmed the thermistor etc. etc. <br/>The display doesn't work...