Failures
The heating indicator
light is off.
No water coming out
of the hot water outlet.
The water temperature
is too high.
Water leak
Brown
L
Yellow/Green
E
Blue
N
Indicator board
Reasons
Failures of the
temperature controller.
1. The running water supply
is cut off.
2. The hydraulic pressure
is too low.
3. The inlet valve running
water is not open.
Failures of the temperature
control system.
Seal problem of the joint
of each pipe.
Thermal
Cut Out
Q
display board
Contact with professional
staff for repair.
1. Wait for restoration of running
water supply.
2. Use the heater again when
the hydraulic pressure is
increased.
3. Open the inlet valve
running water.
Contact with professional
staff for repair.
Seal up the joints.
Heating Element
Power Board
11
Treatment
transformer
Temperature Sensor