Do any of you DIY owners have any information on this panel?  It's used to monitor the level in the tanks, and also the voltage of the batteries.  I've reached out to REV but other than a "thank you" automated response and promise to get back to me, I've not heard from them.  The company that made the panel is out of business.  I do have a great many drawings of the RV courtesy of the previous owner, but nothing about the sensors or the panel.

My grey water sensor is stuck at full.  This system uses the sensors that stick on the outside of the tank, not probes.  I've found the sensors and they are intact.  Without any information, It's difficult to troubleshoot other than the obvious things like broken wires, loose connectors, and the like.

Even a schematic would be a step in the right direction.

Thanks,

Rick Markey