11
/
12
9. There is overheat protection function for the appliance, while the outlet temperature
reaches 65
°C, the appliance will enter into pause mode, only after the hot water temp.
drop to 50°C, it will
start to work again automatically.
10. There is dry heating protection function for the appliance, while the hot water
temperature reaches 75°C, the power will be cut off, only after the faults remove.
11. There is real-time leakage detection function, while there is a electricity leakage, the
appliance will stop working automatically and E2 appear in LED screen.
12. Please check hot water with hand before you taking a shower.
⚫
If the unit will not be used in winter, drain out water completely so that the heater will
not be frozen.
⚫
Please periodically clean inlet strainer and the shower to keep a free water flow.
■
Trouble-shooting
Problems
Possible Causes
Corrective Actions
1. Inlet and outlet
fittings leaking
A. Fittings not tight
B. Rubber washer worn-out
A. Tighten fittings.
B. Change rubber washer.
2. LED no signal
A. Power not connected.
B. LED damaged.
A. Connect power to the unit.
B. Change LED.
3. Functional keys
not working
A. No water out from shower.
B. Water pressure too low.
C. Key or PCB damaged.
A. Open valve to get water.
B. Open valve to get
pressure.
C. Change key or PCB.
4. Water too hot
A. Too high temperature set.
B. Water flow too small.
A. Set a lower temperature.
B. Increase inlet water flow.
5. Water too cold
A. Low temperature set.
B. Water flow too much.
A. Set a higher temperature.
B. Reduce water flow.
6. Outlet water gets
smaller and smaller.
Inlet
strainer
or
shower
clogged.
Clean strainer and shower.
7. LED displays E1
Outlet temp. is over 75
℃
.
A, Reduce the temperature
B, Turn up the water flow
10. LED displays E2
Electricity leakage
Please contact with the local
dealer