4 Manual operations and maintenance
4�4 When the air conditioner is to
be used again:
• Use a dry cloth to wipe off the dust accumulated
on the rear air intake grille in order to avoid the
dust being dispersed from the indoor unit.
• Check that the wiring is not broken off or
disconnected.
• Check that the air filter is installed.
• Check if the air outlet or inlet is blocked after
the air conditioner has not been used for a long
time.
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Multi Split Type Air Conditioner / User Manual