Thermostat.......what you adjust on upper panel
Thermistor.......temp sensor in food section attached to fin. What thermostat uses as temp reference to turn fridge heating source (electric/propane) ON/OFF to cool fridge.
Remove thermistor from fin and allow it to hang down in food section compartment. (it plugs into back of eyebrow----upper control panel)
Turn thermostat up to coolest setting
Turn fridge ON either electric or propane and allow to run over night.
Check freezer and food compartment temps