Performed furnace diagnostic Trane lp package unit. Found unit had tripped, flame roll out error code. Reset system fired right up, ran system. System has some soot build up could just be from lp. Tested system system cycling on and off ok at this time. Need to get the right code correct drip leg and flex on the water heater. Need to spray paint the gas line package unit, and need to spray paint the pvc drain line package unit. Set up for testing same time..