Filling fresh water tanks
We just recently purchased a Jay Flight 33RLDS. We are going dry camping for the first time in this trailer for the Dover NASCAR race. We were sanitizing our fresh water tanks using the gravity fill with a hose. It would run for about 10-15 minutes so we assumed it was filling. Shortly after, the overflow tubes began pouring water. We turned off the hose and checked the monitor panel and the tanks read empty. What step did we miss? The overflow tubes poured out water as if it was draining the tanks? Could we have bad sensors?
Please help if possible!