I am fairly new to our 2005 Newell coach 728 and have had it plugged into a 50 amp service. I tried to use a 120V adapter  this week when i didn't have 220V available. The contactor box wouldn't make contact, click or have the lights come on the box. Steve Bennett thought it was running on a 120V cord in his showroom.
Question is does it work on 120V outlet with a 120V to 220V 50 amp adapter? what am i doing wrong?

• I made sure it isn't hooked up to a ground fault outlet
  
• I am g