2021-09-24
Common faults and solutions of gas boiler burners
1. Connect the gas boiler to the power supply, press start, the motor does not rotate
cause of issue:
(1) Insufficient air lock;
(2) Insufficient solenoid valve, air leakage at the joint, check the lock;
(3) The thermal relay is open;
(4) At least one condition loop has not been established (water level, pressure, temperature and whether the program controller has been powered on).
Solution:
(1) Adjust the air pressure to the specified value.
(2) Clean or repair solenoid valve pipe joints;
(3) Press the reset button to check whether the component is damaged and the motor current;
(4) Check whether the water level, pressure, and temperature exceed the limits.
2. It is normal to start purging, but it will not catch fire
cause of issue:
(1) Insufficient electric fire gas;
(2) The solenoid valve does not work (main valve, ignition valve);
(3) The solenoid valve is burned out;
(4) The air pressure is unstable;
(5) Excessive air volume.
Investigation measures:
(1) Check the wiring and repair it;
(2) Replace with a new one;
(3) Adjust the air pressure to the specified value;
(4) Reduce air distribution and reduce the opening of the damper
3. No ignition, normal air pressure, no ignition when energized
cause of issue:
(1) The ignition transformer is burned out;
(2) The high-voltage line is damaged or dropped;
(3) The gap is too large or too small, the relative size of the ignition rod position;
(4) The electrode is damaged or the ground is short-circuited;
(5) The distance is inappropriate.
Remedial measures:
(1) Renewal;
(2) Reinstall or replace;
(3) Readjust;
(4) Reinstall or replace;
(5) Readjust.
Turn off after 4, 5S
cause of issue:
(1) The air pressure is insufficient, the pressure drop is too large, and the air supply flow is low;
(2) The air volume is too small, the combustion is insufficient, and the smoke is thick;
(3) The air volume is too large and white gas appears.
Solution:
(1) Re-adjust the air pressure and clean the filter;
(2) Readjust;
(3) Readjust.
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