Under normal conditions, if the burner is started three times continuously and the combustion is not ignited, it should be judged as an ignition fault and corresponding inspections need to be carried out to eliminate the fault. (The fan runs normally and the program is correct during ignition)
Air supply failure
Check whether the pressure of natural gas is normally kept at 3-5 kpa. If it is too high or too low, ignition failure will occur. Processing method; Adjust the natural gas pressure regulating valve for pressure setting.
Air door failure
Check the size of the air door. When the air door is too large, it is prone to multiple instances of ignition failure, and provide solutions; Turn down the damper appropriately, but do not fully close it.
Fault in ignition electrode or ignition transformer
When the ignition transformer does not ignite or the ignition electrode is too dirty and in the wrong position, ignition faults can occur. Processing method; Test whether the ignition transformer is ignited, clean the ignition electrode, and adjust the ignition gap to keep 2-3mm.
Gas valve group failure
During normal ignition, the valve group will open in a timely manner and the sound of opening can be heard. If it cannot be opened, no flame will be established. The handling method is as follows:; Check the coil of the valve group and adjust the opening of the valve.
Ignition controller malfunction
All ignition programs are issued by the controller, which is damaged and unable to ignite normally. Processing method; Replace the controller.
Flameout fault
When the burner is running normally and burning, it suddenly extinguishes the fire, which is a flameout fault.
Unstable gas source
Fire extinguishing and handling methods after unstable gas source causing flame fluctuations; Adjust the pressure and restart.
Flame detector malfunction
When the flame detector malfunctions and operates, the flame detection probe is grounded, or when it is too dirty, normal flames cannot be detected, resulting in flameout. Processing method; Adjust the position of the probe and clean the surface of the probe. Restart.
Circuit fault
Circuit failure, unstable power supply or phase loss, causing stalling during the process. Processing method; Contact an electrician to check the power supply and wiring.
Burner does not start fault
Pressing the start button for a long time does not start the burner
External interlocking fault
The external temperature or pressure control has not reached the lower limit of startup; Check the temperature or pressure setting.
Internal interlocking of the burner failed
When the air pressure is too high or too low, when the air pressure switch is normally closed but not closed, and when the air door mechanism is not in place, it will appear and be checked step by step.
Programmer malfunction
The program controller failed and was not reset. Please reset it again.
Fan motor overheat protection
Fan motor overheat protection, reset the thermal relay.
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Shenzhen Zhongli Weiye Electromechanical Equipment Co., Ltd. is a professional thermal energy equipment combustion equipment company that integrates sales, installation, maintenance, and upkeep.
