Norcold N8X refrigerator intermittent
I am chasing an issue with our Norcold N8X refrigerator where suddenly the refrigerator portion will not go below 50 degrees. This is in our 2022 KZ 303MB fifth wheel. Our last two trips we turned o...
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Just to clarify if I understand correctly - during all this time (except for the blocked roof vent incident), the freezer has gotten suitably cold while the refrigerator has gotten to warm?
Yes in every instance the freezer has gotten to around 0 even when the roof vent was blocked.
Additional details on my troubleshooting:
- Original thermistor replaced with a new OEM thermistor.
- Ran with the thermistor unplugged (continuous cooling) with no immediate improvement.
- Verified both electric and LP operation. Same symptoms on both.
- Heating element/boiler area remains hot, indicating the refrigerator is calling for cooling.
- No ammonia smell or yellow residue visible.
- Added two 4” exhaust fans at the roof vent and verified airflow.
- IR thermometer shows the refrigerator cooling fins are only about 47°F on the right side and 57°F on the left when the refrigerator is reading around 50–56°F.
