Hello Robert and welcome to the Country Coach Owners Forum and to iRV2.com. We are glad to have you join us here and we look forward to reading of your adventures and experiences. I am sure you will enjoy it here. Good luck and keep us posted.
Have you tried reseting the monitor pane? if not, go the the inverter and unplug the data cable to the monitor. Then plug it back in. Let us know if that corrects the problem.
Mike, RVIA & RVSA Certified Master RV Technician
Amy, Dr. Assistant - Roxie & Mei Ling, four legs each
2000 Gulf Stream Scenic Cruiser 450 hp & 1330# torque
06 Saturn Vue, 06 Chevy Z71 4x4 & 2014 Corvette Z51 M7