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· how to solve on the fan is not turning the ignition? · how to solve without water, the burner does not turn off? · how to solve the power supply line protection switch trip? · how to solve boot fan does not rotate, no ignition? · how to solve the ignition turning on the fan sound, not on fire? · how to solve the fan is operating normally, the controller does not ignite, the main controller alarm? · how to solve the water temperature to reach the set value. no matter how high the temperature is transferred to the water heater, the water temperatur

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