checked over bottom oven unit, found pilot not lighting, found this caused by ignitor grounded to pilot assembly, realigned ignitor, turned on unit, pilot is now lighting, found main burners not lighting, found this caused by main gas valve wires disconnected, reconnected wires to gas valve, turned on unit, pilot lights, main gas valve opens and burners and lit, allowed unit to heat, allowed thermostat to cycle, pilot and burners are now igniting every time, tested operations, confirmed unit working correctly at this time