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Gas boiler burner failure and treatment methods 7

Increased noise of gas boiler burner.

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Increased noise of gas boiler burner.

Reasons:

1. The stop valve within the oil circuit is closed or the oil inlet is insufficient, and therefore the filter is blocked
2. The oil inlet temperature is low, the viscosity is too high or the pump oil inlet temperature is too high.
3. The oil pump fails.
4. The fan motor bearing is damaged.
5. The fan impeller is too dirty.

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