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6
What to do if…..
Certain problems are due to lack of simple maintenance or oversights, which can be solved easily without calling
the service technicians, before contacting the local service center please carry out the check listed below.
Problem
Possible cause(s)
Solution
Water leaks
Improperly sealed, hot or cold water
source connections
Tighten threaded connections
No hot water
No power to heater
Turn on electrical switch, Check for blown
fuses or tripped breaker
Insufficient hot water
Temperature set too low
Raise the temperature set to the desired
level
Cold water mix fast with appliance
stored hot water, high water source
pressure
Close the inlet water service valve(or the
pressure regulator) partially until the
problem disappear
Wrong piping connections
Correct piping
Wasted hot water
Review and reduce hot water
consumption ,
Long runs of exposed pipe
Insulate piping
Hot water piping on outside wall
Insulate piping
High operation cost 03(power
consumption)
Temperature set too high
Set temperature to a lower desired level
Wrong piping connections
Correct piping
Wasted hot water
Review and reduce hot water
consumption
Long runs of exposed pipe
Insulate piping
Hot water piping on outside wall
Insulate piping
Leaking Taps
Repair leaking taps
Dripping from safety valve
High water source pressure
Install a 3 or 4 bar pressure regulator valve
in the mains connection of the house
E1 appears on LED screen and
blink continuously and sound
beeps will be heard for 60
seconds
Temperature Sensor wire or socket
disconnected or the sensor failure
disconnect the main power source and call
service center
E2 appears on LED screen and
blink continuously and sound
beeps will be heard for 60
seconds
Anti-burn (anti-dry) safety alarm, if
the temperature increases than the
normal rate
disconnect the main power source and call
service center
E3 appears on LED screen and
blink continuously and sound
beeps will be heard for 60
seconds
High temperature safety
temperature increased over 90°C,
this is to be in safe in case that the
unit fail to disconnect the main
power from the heater at its
maximum setting temperature
(80°C)
disconnect the main power source and call
service center
