Norcold refer question or suggestions.

edatlanta wrote:
Per Norcold, all of their units go through a cooling unit defrost cycle every 46 hours (or was it 47?). This is NOT a freezer frost defrost, but a defrost cycle for the cooling unit. It is perfectly normal operation and you can not change it. This is exactly what you seem to be describing. If you just leave your thermostat where you had it at 6, which is what I use on mine, it will work fine, just with the temp increase/decrease every 46 hours.

This is correct. But a few errors. The defrost is NOT a cooling unit defrost. It is just a simple shut down of the refer to allow any frost/ice build up on the Evaporator fins to melt and then drain off. IF you change any parameters of the refer, it starts that 48 to 54 hour defrost timer over. So, in the OP, when he changes the temp tstat, he starts the timer over again. The time of this shut down is about 2 hours. The interior temp will not really rise that much unless you happen to open the door a few times during that shut down. Now to the OP perceived problem. He has a thermometer and he is watching the temp. MY take is, the refer has reached temp and shuts off. the interior rises due to the refer shutting off and once the Tstat sees the slight rise starts cooling again. The Op's problem is, he SEES that and assumes there is a problem. What he needs to do is take the temp of a glass of water in the refer and use THAT temp as his temp seeker. NOT the air in the refer. When you have a refer with items IN the refer that are cold, that makes a refer work better. Doug

PS, you CAN stop the Defrost cycle. Just turn the refer on and off every day for 10 seconds. That starts the 48 to 54 hour timer over again.