Causes and solutions of light oil burner failures | ||
Fault | Causes | Suggested solutions |
Burner does not start | 1. No power. | Turn on all switches - check the fuses. |
2. Limit or safety control device is open | Adjust or replace | |
3..The control box is locked. | Press the reset button of the control box. | |
4. Motor lock | Press the thermal relay reset button | |
5. Pump is broken. | Replace it. | |
6. Controller fuse is disconnected. | Replace it. | |
7. Electrical connection error | Check the electrical connection | |
8. The control box is damaged. | Replace it. | |
9. The motor control device is damaged. | Replace it. | |
10. Motor is damaged. | Replace it. | |
11. The capacitor is damaged. | Replace it. | |
12. Photoelectric tube short circuit | Replace it. | |
13. Light leakage or simulated flame appears. | Eliminate light leakage or replace the controller. | |
The burner stops immediately after starting. | 14. Phase loss (except GW) | Press the thermal relay reset button to connect the third phase |
The burner is locked immediately after pre-purging and the flame does not appear. | 15. There is no oil in the tank, or there is water at the bottom of the tank. | Add oil or drain water. |
16. The position of the combustion head or the damper is inappropriate. | Adjust it. | |
17. The solenoid valve cannot be opened. | Check the wiring and replace the coil. | |
18. Nozzle is clogged, dirty or damaged. | Clean or replace it | |
19. The ignition electrode position is wrong. | Adjust it. | |
20. The grounding wire is not well insulated. | Replace it. | |
21. High voltage cable is damaged. | Replace it. | |
22. The ignition transformer is damaged. | Replace it. | |
23. Solenoid valve or ignition transformer wiring error | Check and correct it | |
24. The control box is damaged. | Replace it. | |
25. Pump does not start | "See Pump Starting" | |
26. The coupling between the pump and the motor is damaged. | Replace it. | |
27. The oil inlet and return pipes are connected incorrectly. | Correct it | |
14. The filter of the pump, filter or nozzle is dirty. | Clean it. | |
29. Motor rotation error | Switch it | |
Burner locks after flame appears | 30. The ignition electrode position is wrong. | Adjust it. |
31. Photocell or controller is damaged. | Replace it | |
32. Photoelectric tube is dirty. | Clean it. | |
Pulsating ignition or unstable flame | 33. The position setting of the combustion head is incorrect | Adjust it. |
34. The ignition electrode position is wrong. | Adjust it. | |
35. The damper is too large. | Adjust it. | |
36. The nozzle is not suitable for this burner or boiler. | Check and adjust. | |
37. The nozzle is broken. | Adjust it. | |
38. Improper pump pressure | Adjust according to manual | |