Report "Traulsen g22010 two door upright freezer 5 years old. Cleaned out caked dust from front of compressor. Plugged in running and cooling. On Microprocessor display it reads 239 Red dot on left side (F). Not sure what this number is It states in Manual that parameter C6 is cabinet temp But could not of been had only been running for a minute. Reviewed all parameters and nothing talks about where the temp of actual inside????? Unit has Eng service parameter area too but no codes in owners manual. Placed a manual theremometer inside will check soon"