8 Procedures to Bleed & Restart Your Heating System When Your Unit Runs Out of Fuel
https://wiki-mixer.win/index.php/Primary_Procedures_to_Bleed_%26_Reset_Your_Furnace_After_Running_Out_of_Heating_Oil
You're in the middle of a cold winter season night when your oil heating system runs out of fuel. If the oil heater does not kick back on after refilling the tank, you may require to bleed and reboot the heater