23
COMMISSIONING AND MAINtENANCE
—
remove exhausted purifying filters
—
insert new purifying filters into the prearranged slots
—
to reposition them, proceed in reverse order
9
Keep the purifying filters sealed until their actual use.
9
Installing the purifying filters reduces the air flow and re-
sults in lower performance. It is advised to use the device at
the highest speeds.
3.6
Extraordinary maintenance
Removal
In case of replacement or extraordinary reparations, you may
need to remove the unit.
Proceed as follows to remove the capacitors:
—
carry out the evaporator emptying operation
9
The operation is detailed in the Installer booklet of the
matching outdoor unit.
—
deactivate the unit with the remote control
—
position the system's main switch in the "OFF" position.
—
disconnect the cooling pipes
—
disconnect the condensate discharge
—
disconnect the electric connections
—
push up and release the unit from its metallic support
—
lift up the unit to remove it
3.7
Alarms
In the presence of operating abnormalities, the unit is secured
and blocked.
9
Safety block can occur randomly.
9
Wait for at least 10 minutes before restarting the unit.
9
If the fault occurs again, an accurate check of the device
components is required. Contact
R
Technical Support
Service.
Faults are identified by a code on the unit display.
Indoor unit faults
Code
Description
Remarks
E1
Room probe fault
The unit resets after
problem resolution
E2
Exchanger probe fault
E4
Microprocessor
malfunction
E7
Communication error
between indoor unit and
outdoor unit
E14
Fan motor malfunction
Outdoor unit faults
9
Refer to the matching outdoor unit instruction booklet for
the installer.
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