· 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