10 | Maintenance and service
Installer and user reference guide
37
FAA71+100BUV1B
Split system air conditioner
4P654517-1 – 2021.03
3 Clean the air filter. Use a vacuum cleaner or wash with water. If the air filter is
very dirty, use a soft brush and neutral detergent.
4 Dry the air filter in the shadow.
5 Reattach the air filter. Replace the air filter as it was.
6 Close the front panel. Hold the front panel by the panel tabs on both sides
and close it slowly.
7 Turn ON the power.
8 To remove warning screens, see the reference guide of the user interface.
10.3 Maintenance before a long stop period
E.g., at the end of the season.
▪ Let the indoor units run in fan only operation for about half a day in order to dry
the interior of the units.
▪ Clean air filters and casings of indoor units (see "10.2Cleaning the unit"[435]).
▪ Turn off the power. The user interface display disappears. When the main power
is turned on, the air conditioner will use some power, even if it is not operating.
▪ Remove the batteries from the user interface (if applicable).
10.4 Maintenance after a long stop period
E.g., at the beginning of the season.
▪ Check and remove everything that might be blocking inlet and outlet vents of
indoor units and outdoor units.
▪ Clean air filters and casings of indoor units (see "10.2Cleaning the unit"[435]).
▪ Insert batteries in the user interface (if applicable).
▪ Turn on the power at least 6 hours before operating the unit in order to ensure
smoother operation. As soon as the power is turned on, the user interface
display appears.
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