9
FAQs
Phenomenon
Solutions
Matters to be confirmed
Only cold water comes
out but the heat
indicator is on
The amount of hot water
produced is low
The heat indicator is
on all the time
The water comes out
big and small, cold
and hot
Only cold water comes out
and the heating indicator
is off. No water comes
out.
①
Whether the water supply system is off or he
water pressure is too low
②
Whether the water is blocked, and whether the
hot water valve is open
Whether the tap water pressure is stable
①
The water does not reach the set temperature
②
Whether the temperature controller is invalid
①
Whether the current temperature setting is too
low
④
Whether the components are damaged
②
Whether the temperature controller is invalid
②
Whether the water temperature is adjusted well
①
Whether the hot water outlet is not opened
①
Whether the power supply is properly
connected
③
Whether the heating time is too short to reach
the set temperature
②
Whether the tap water pressure is too high
Check
Check the power outlet
Check and clean up
Turn down the flow rate of the
mixing valve.
Turn up the set temperature
appropriately. After heating
to the set temperature,
control the hot and cold
water by adjusting the mixing
valve
If not
①②③
, contact with
maintenance department
If not
①
, contact the
maintenance department.
Turn down the flow rate of the
mixing valve or wait for the
water pressure to stabilize
before use
Continue heating
If not
①
, contact the
maintenance department.
Calibrate according to the
instruction manual.
Continue heating
Check and open
No water
