Common causes
1、Controller malfunction
2、The electric eye sensing part is not clear
3、The temperature around the burner is too high
4, the oil pump shaft is too tight to aggravate the motor load
5、Overload operation, or the water level fluctuates too much
Solution
1、Repair or replace
2、Clean sensing part
3、Improve the boiler room environment, reduce the temperature of the boiler room
4、Stop the furnace for maintenance, so that the rotating shaft runs freely
5、Ensure operation within the rated output, adjust the load smoothly
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