KDB-GOM
Series
- 77 -
14 - 5 Others Failure Too much noise
No Symptoms and Causes Solutions Reference
1 Too many ignition noise during ignition. - There is too much gas during the initial ignition.
Adjust the primary gas pressure according to
regulations.
2 Ignition noise due to delayed ignition. - Space between electrodes is too close or too
far away. Adjust the space (2~3mm) between
them.
- Replace the ignition transformer if it
discharges.
<Fig. 1>
3 Noise during combustion. - The flue bends and length may be above
regulations (3 elbow 5.0m) and in case of a
FF flue the airtight chamber may be damaged
causing a flow of waste gas to the suction
area. Check the flue and replace if needed.
<Fig. 2>
4 Boiling noise. - Boiling noise may occur when the heating
water temperature goes beyond a certain
point due to uncleanness of the heating water
or a defect in the welding of the main heat
exchanger brazing. Clean the heating water
and replace the main heat exchanger.
<Fig. 3>
<Fig. 1>
<Fig. 2>
<Fig. 3>
Crevice between electrode
2~3 mm
(Scheme of the
air intake hose is omitted)
Nail
Band Clamp
Band Clamp
Screw
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