27
ANOMALY
POSSIBLE CAUSE
SOLUTION
No icon shown on the controller
LCD display
Batteries are dead
Change the batteries
Batteries are not present
Check that batteries are in there
Batteries are wrongly positioned
Position the batteries correctly
The unit does not execute the
command sent from the remote
control
Lack of communication between the unit and the
remote controller
Go closer to the unit, pointing the controller to the
receiver on the left side of the unit
The unit does not operate
There is no voltage
Check that the unit is correctly wired to the main
supply
Ventilation unit does not couple correctly with the
support base
Check that the coupling is properly done
The unit operates at the maximum
speed
The Boost functionality is activated, on the display
the icon is shown
Wait until the boost timing ends (15 minutes)
or deactivate the boost function pressing the
button.
Unit speed suddenly increases
The smart humidity control is activated
Wait until the smart humidity control phase ends
(10 minutes) or deactivate the humidity control
function pressing the button for 5 seconds.
Fixed yellow led
Dirty fiters
Filters maintenance/replacement is needed: reset
filter operation has to be done (see page 4)
Fixed red led
Antifrost protection is activated
Wait until the antifrost phase ends (30 minutes)
Fixed blue led
Boost is activated
Wait until the boost timing ends (15 minutes)
or deactivate the boost function pressing the
button.
Flashing blue led
Smart humidity control is activated
Wait unitl the humidity control phase ends (10
minutes)
Fixed purple led
Ventilation unit does not couple correctly with the
support base
Check that the coupling is properly done
Acoustic signal to disable
-
Press the button for 7 seconds: a green
led flashes.
TROUBLESHOOTING
