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EN
Water freezing in the appliance is prohibited because it causes its malfunction which is not a warranty
case.
EWH is not intended to be used by persons with limitations of health, sense or mental limitations, as
well as persons who are not able to use the EWH, except when it happens under the supervision or
instructions by a person responsible for EWH safety. Children can use EWH only under the
supervision of persons who know how to operate it safely. During EWH operation, it must be
inspected regularly for proper health (absence of dripping, burning smell, wiring sparks, etc.). In the
case of long interruptions in water heater operation, water supply failures, EWH must be disabled and
cold water inlet valve must be shut off.
Always be aware that there is a risk of hot water scalding and electric shock.
Possible faults and remedies
If an operational fault occurs EWH shall be disconnected from the mains, water supply shall be cut off.
Fault
Possible cause
How to fix
Clogged inlet safety valve
Remove the valve and clean it
in water
Hot water pressure
from EWH decreased.
Cold water pressure
keeps at the level.
Heating time increased
THE is covered with a layer
of sludge
Remove the flange and clean
the TEH
Supply voltage decreased
Contact power main operation
service
The set temperature is close
to the limit
Turn the thermostat control to
decrease temperature (–)
Frequent tripping of
thermal switch
Remove the flange and gently
clean the pipe from the sludge
Thermostat tube is covered
with sludge
There is no voltage in the
mains
Contact power supply operation
service
Powered EWH does
not heat water.
No backlights
of indicator lamps.
RCD (if any) tripped
Push RCD restart button.
Check voltage.
Power cord is damaged.
Apply to a Service center.
Thermal switch tripped or
not on.
Disconnect EWH from the mains,
remove EWH protective cover,
press the safety button until you
hear a click (fig. 3), place the
cover and turn on power.
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