6
► Maintenance
► Failures and treatment
1. Check the power supply plug and socket frequently to make sure that
they have good, reliable contact and are well grounded without overheat
phenomenon.
2. If the heater will not be used for a long time, especially in the regions
with low atmospheric temperature (lower than 0℃ ), in order to prevent
the heater to be damaged due to freeze of the water in the inner container,
the water inside the heater shall be drained away (refer to Item 9,
Cautions of this manual for the method to drain away the water inside the
inner container).
3. In order to ensure that the water heater can operate efficiently for long
term, it is recommended to clean periodically the inner container and
the deposits on the electrical heating components of the electric water
heater.
4. Suggest to examine the anode protection materials every half a year or
so. If all the materials have been consumed, please replace with the new
materials.
11.If any parts and components of this electrical water heater are damaged,
please contact with the professional maintenance personnel for repair, and use
the special spare parts and components provided by our company.
Failures
1.The thermostat is on the state
of lowest temperature.
2.Thermostat is damaged.
3.The circuit is power cut.
4.The socket is not well contacted.
1.Adiust the thermostat to highest
temperature.
2.Contact with the professional
personnel for repair
3.Wait for restoration of power supply
4.Change a new socket.
The
output
water is
cold
Heating
indicator
light is off
TreatmentReasons
1.Wait for heating.
2.Contact with the professional
personnel 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 of running
water.
1.Heating time is not enough
2.Heating element is damaged.
1.The running water supply is cut off
2.The hydraulic pressure is too low
3.The inlet valve of running water is
not open.
No water coming out
of the hot water
outlet
Water leak
Thermometer
doesn’t work
Heating
indicator
light is on
Seal problem of the joint of each pipe
The thermometer is damaged.
Seal up the joints
Contact with the professional
personnel for repair
