malfuntions

analysis

Servicing or disposal

1.The joint of inflow & outflow tubes leaks

A.Inflow & outflow tubes are not connected well
B.The rubber gasket for connecting damages

A.connect it over again

B.Replace rubber gasket

2.No signal on digital display

A.Power has not been put through
B.Digital display damages

A.Put through the power,close the switch
B.Replace digital display

3.Keys are out of control

A.No water comes out from shower head
B.Pressure of tap water is too low
C.Keys or circuit panel damage

A.Open the valve let water out from shower head
B.Open the valve fully to increase water pressure
C.Replace keys or circuit panel

4.Water temperature is too high

A.Power level is adjusted too high
B.Outflow water is too small

A.Lower power level
B.Increase outflow water

5.Water temperature is too low

A.Power level is adjusted too low
B.Outflow water is too much

A.Raise power level
B.Decrease outflow water

6.Outflow water gets less and less

Inflow filter or shower head is stuffed by the dirties in water

Clean inflow filter and shower head

7.Digital display”E1”

Water temperature is over 60℃,so water heater shut off under automatic protection

A.Press ON/OFF key once
B.Agjust power levels or water flow over again ,to make water temperature below 60℃

8. Digital display”E2”

Electrical leakage is detected,so water heater shut off under antomatic protection

Send it for professional sericing

9.There is no hot water at all,but displays and operations seem nomal

Fuse for intermal temperature protection gets a fusing

Send it for professional sericing