To Chris Bryant - Dometic told me there is none hear. I trusted her and didn't follow-up. There are several mobile, doometic certified, techs and one will come our next Friday. Thank you!!
Macrosill and RoyB - We are on 50amps and drawing 15-20 amps per unit. The readings don't fluctuate so it is clean.
MidnightSadie - Good suggestion. Swapped breakers form other a/c unit. Same results.
Also, I'm hearing rumors that Dometic A/C of my model installed a bad bath of controller boards. Another possibility. Hope the tech can replace them as well.
Thanks to all for your help.
