My 21 SSO Starcraft camper fridge works when on site and plugged into power-but when I have it home in my driveway and plug the 220 into a standard extension cord via an adapter the fridge will not wo...
Strange about the startup. The manual information below suggests 12.0V and perhaps suggests that mfgs can use rather small wire to the refer with a lot of voltage drop and the battery has to be 90% SOC. Don't know but requiring 90% SOC doesn't pass the smell test.
"+12VDC Battery or DC Voltage source to the refrigerator terminal block connection. This voltage can be Filtered AC/DC nominally +12V or +13.8V. The voltage range is 9.0VDC – 15.4VDC."