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Troubleshooting
In case of water leaks or anomalous functioning immediately cut
off the power supply and close the water taps.
Should one of the following anomalies occur, contact an
authorised service centre or an authorised qualified person, but
do not intervene personally.
Table of anomalies and remedies
The interventions must be carried out by a qualified installer or by
a specialised service centre.
Effect
A delayed activation of the ventilation respect
to the new temperature or function settings.
The appliance does not activate the
ventilation.
The ventilation does not activate even if there
is hot or cold water in the hydraulic circuit.
The appliance leaks water during the heating
function.
There are formations of dew on the front
panel.
There are drops of water on the air outlet grill.
The appliance leaks water only during the
cooling function.
The appliance makes a strange noise.
Troubleshooting
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Cause
The circuit valve needs some time to open
and as a result the hot or cold water takes
time to circulate in the appliance.
No hot or cold water in the system.
The hydraulic valve remains closed.
The fan motor is blocked or burnt out.
The micro-switch that stops the ventilation
when the filter grill is opened does not close
correctly.
The electrical connections are not correct.
Leaks in the hydraulic connections of the
system.
Leaks in the valve unit.
Thermal insulation unstuck.
In situations of high humidity (>60%)
condensation could form, especially at the
minimum ventilation speeds.
The condensation bowl is blocked.
The condensation discharge does not need
an inclination for correct drainage.
The connection pipes and the valve unit are
not insulated well.
The fan touches the structure.
The fan is unbalanced.
Check the clogging of filters and clean them
if necessary
The ventilation does not activate even if there is hot or cold
water in the hydraulic circuit.
The appliance leaks water during the heating function.
The appliance leaks water only during the cooling function.
The appliance makes an excessive noise.
There are formations of dew on the front panel.
Remedy
Wait for 2 or 3 minutes to open the circuit
valve.
Check that the water boiler or cooler are
functioning correctly.
Dismount the valve body and check if the
water circulation is restored.
Check the working efficiency of the valve
by powering it separately with 230V. If it
activates the problem could be the electronic
control.
Check the windings of the motor and thefree
rotation of the fan.
Check that by closing the grill the micro-
switch contact is activated.
Check the electrical connections.
Check the leak and fully tighten the
connections.
Check the state of the gaskets.
Check the correct positioning of the thermo-
acoustic insulation paying attention to that in
the front above the finned battery.
As soon as the humidity starts falling the
phenomenon disappears. In any case the
presence of a few drops of water in the
appliance does not indicate a malfunction.
Slowly pour a bottle of water in the low
part of the battery to check the drainage; if
necessary, clean the bowl and/or increase
the inclination of the drainage pipe.
Check the insulation of the pipes.
Check the clogging of filters and clean them
if necessary
The unbalancing causes excessive vibrations
of the machine; replace the fan.
Clean the filters
GB
19
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