Owner’s Manual 9- If the air in the propane gas supply lines prevents the burner from ignition on propane gas, the fault codes “no” and then “FL”will appear in the center display and you will hear an alarm sound.- Push and hold the ON / OFF button for one second and then release to silence the alarm.- Push the ON / OFF button to turn the refrigerator on.- The refrigerator will start a 30 second trial for ignition.- During the 30 second trial for ignition, the refrigerator controls open the gas safety valve and the igniter makes sparks.- When no fault code shows and only the power indicator remains, this means that the refrigerator is operating on propane gas in themanual mode.- At this time, all of the air is removed from the propane gas supply lines and you may select AUTO mode of operation if youwish.- Depending on how much air may be in the propane gas supply lines, you may need to repeat the 30 second trial for ignition two orthree times.- If the burner does not ignite on propane gas after two or three attempts, stop and consult your local dealer or an authorizedNorcold Service Center.Set the controls to automatic mode operation:- Push the ON / OFF button to turn the refrigerator on.- Push and hold the MODE button until the letters “AU” show in the center display and then release.- If 120 volts AC is available to the refrigerator:- The letters “AU” and then “AC” show in the center display.- After ten seconds, the “AU” and then “AC” go off and only a green power ON light remains.- This means that the refrigerator is operating on AC electric.- If 120 volts AC is not available to the refrigerator:- The letters “AU” and then “AC” show in the center display.- After five seconds, the “AU” and then “LP” show in the center display.- After ten seconds, the “AU” and the “LP” go off and only a green power ON light remains.- This means that the refrigerator is operating on propane gas.- If neither 120 volts AC nor propane gas is available to the refrigerator:- The fault codes “no” “AC” and then “no” “FL” show in the center display and an audible alarm sounds.If an energy source is available to the refrigerator, but is not operating correctly:- A fault code shows in the center display.- The refrigerator controls try to change to a less efficient energy source.- If a less efficient energy source is not available:- An audible alarm starts.