etp OTUS Notice D'installation page 27

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