Introduce common faults and solutions of gas boiler burners

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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