I have a brand new RV equipped with Norcold 3 way refrigerator. Does not operate on 12 volts. Panel shows error code 6 which indicates lack of 12 volts, however there is 12 volts going into refrigerator. Manual states that engine must be running to operate on 12 volts. I'm trying to avoid a trip back to dealer.
Thanks for all of the helpful information, however I tried cooling it down with 110v. started engine, selected battery power and error 6 displayed. Error 6 indicates no 12 volts, however I measured 12.5 volts at connector to fridge.:h
The 12 volt section of your 3 way is a MAINTAINER of existing interior temps. It is NOT designed to cool the refer DOWN to operating temps. So, if you have the refer at operating temp, then you MUST have the engine running to run the 12 volt heat element to MAINTAIN the existing temp in the refer. 12 volt 3 way refers must have the engine running to function on 12 volts. You must use 120 or LP to get the refer to operating temps. Doug
Push the source button several times, as illustrated. Push until the desired source (A, โautoโ) is selected and displayed. If the engine is running, DC mode will be selected and displayed. If the engine is not running, and 120 volts AC is available to the refrigerator, AC mode will be selected and displayed. If the engine is not running, and 120 volts AC is NOT available to the refrigerator, gas mode will be selected and displayed
the manual says
These models have 2 connection points to prevent the battery from being discharged by the refrigerator when the engine is not running
there is a connection on the back that senses the engine running the manual shows
D+ signal orange wire, + when engine runs
the current draw when running on 12v is above 17 amps
