Riello AMS N User Manual page 56

AARIA
29. Abnormal operations
No power.
If, after pressing the on-off button on
the remote control the on light does
not turn on and teh unit does not start
working, check the following:
The unit's plug, if any, must be
correctly plugged in.
The mains switch must be "on".
The remote control's batteries must be
charged.
If necessary, call RIELLO's Technical
Service.
The air conditioner does not cool or
warm effectively
Check that:
The mesh filter must be clean.
The air purifying filters, if installed,
must be clean.
Windows and doors to the outdoors
must be closed.
The outdoor unit's air flow must not
be obstructed.
The desired temperature has been set
correctly.
If necessary, call RIELLO's Technical
Service.
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