35 / EN
Problem
Possible Causes
Solutions
The water temperature varies
from hot to cold during use.
The water pressure is below the
minimum level.
Increase the water flow.
The water is too hot.
There is not enough water flow
entering the heater.
The water flow increases.
The ambient temperature has
increased or the temperature setting
is too high.
Select a lower temperature value.
The voltage is lower than 240 volts.
This heater is designed to operate at 240 volts. A
lower voltage prevents the heater from operating
correctly.
The tap water temperature is too high.
Check if the flow is too low, the temperature
adjustment is too high, or if there is an internal
fault. If the problem persists, contact a qualified
electrician.
It turns off during use
Power failure or faulty wiring..
Check the power supply and the breaker. If the
problem persists, contact a qualified electrician.
The water has stopped flowing.
Blockage in the tubes or pipes.
Check that the water supply valve is completely
open and there are no obstructions in the supply
line..
There is no water supply.
There is no hot water with the
unit’s shut-off valve completely
open.
Power failure or faulty wiring..
Check the power supply and the breaker.
Sufficient flow has not been reached
to activate the resistance (4 L/min).
Increase the water flow. Clean the filter screen at
the unit’s water inlet.
