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Q Error code (E1)---Water pressure malfunction

A Please check the water pressure gauge status first. The pressure showed should be 1-1.5 bar, please check if there is leakage inside the system and affuse the water pressure till standard. If the pressure is standard, please check the water pressure switch and the connection wire. →More
Q Error code (E2)---Ignition malfunction

A The product will show E2 error code if ignition fails continously 3 times.First need to check if there will be flame after the ignition. If no flame, please check the ignition needle, burner,gas valve. If there is flame, please check if the flame icon is light on the display panel. If no light, please check the flame detection needle. If the problem still exist, please check the gas supply and the gas pressure from the gas compamy. →More
Q Error code (E3)---Heating water temperature sensor malfunction.

A The product will show E3 error code if heating water temperature sensor malfunction or the ambient temperature is lower than 3 °C.Pls check the ambient temperature to see if it is lower than 3 °C or exchange the heating water temperature sensor to see if problem is solved. →More
Q Error code (E4)---Domestic hot water temperature sensor malfunction

A The product will show E4 error code if domestic hot water temperature sensor malfunction.Pls change the domestic hot water temperature sensor. →More
Q Error code (E5)---Flame detection malfunction

A The product will show E5 error code if flame detection malfunction.The product deduct the flame before the ignition and will show error code E5. Pls disconnect the flame detection needle to see if the problem still exsists. Pls exchange the flame detection needle if the problem is solved in this way. →More

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