The 6 volts would be correct and the 800ma should be adequate. If it's been connected wrong you may have damaged the unit. Does it still work on batteries?
Bill Wheeler - Cleveland TN
competition team member: Jack's Old South & Myron Mixon Smokers.com
Southern Q Model 500 Water Smoker
Jacks Old South Original Patio Smoker
Jambo - FEC100 - Bradley Smoker - Nfusion