Paraffin / kerosene / petrole heater: E4 Error (E0-E4) - Easy Fix

NEW VERSION WITH SUBTITLES:    • Paraffin kerosene petrole heater E0 E...  

Update on results: After cleaning the flame rod, my heater burns better.
Easy servicing and correcting E4 (also E0, E1, E2, E3, errors) on liquid fuel burning heaters - of type: mobile or portable indoor stove, paraffin heater, kerosene heater, chauffage à pétrole, poêle à pétrole électronique, radiateur, BPE 367, Squall, Japanese heater, Stove, corona, senseair, 2000xx_5, error codes, e0, e1, e2, e3, e4, e5, e6, e7, e8, e9, Inverter heater, 3001, 3002, 3003, 3004, 3005, 3006, 3007, 3008, 3009, 4001, 4002, 4003, 4004, 4005, 4006, 4007, 4008, 4009, 5001, 5002, 5003, 5004, 5005, 5006, 5007, 5008, 5009, 6001, 6002, 6003, 6004, 6005, 6006, 6007, 6008, 6009, 7001, 7002, 7003, 7004, 7005, 7006, 7007, 7008, 7009, 8001, 8002, 8003, 8004, 8005, 8006, 8007, 8008, 8009, 9001, 9002, 9003, 9004, 9005, 9006, 9007, 9008, 9009,