En-15
(2) Others
Indication pattern
Indicator Name
Indication pattern
OPERATION indicator lamp (Green)
Function number; tens place
(0.5s ON/0.5s OFF)
TIMER indicator lamp (Orange)
Function number; ones place
(0.5s ON/0.5s OFF)
FILTER indicator lamp (Red)
Setting number: (0 to 9) (0.5s ON/0.5s OFF)
(Example) Function : 31, Setting number : 2
OPERATION
indicator lamp
(Green)
TIMER
indicator lamp
(Orange)
FILTER
indicator lamp
(Red)
11 sec
10 sec
9 sec
1 cycle 12 sec
ON
OFF
0.5s 0.5s
0.5s
0.5s
0.5s
0.5s
0.5s
0.5s
0.5s
0.5s 0.5s 0.5s
ON
OFF
ON
OFF
8. CASSETTE GRILLE INSTALLATION
• Operate according to the installation Manual CASSETTE GRILLE.
• Be sure to con
fi
rm there is no gap between the cassette grille and main unit after
installing the CASSETTE GRILLE.
9. TEST RUN
9.1. Test run using Outdoor unit (PCB)
• Refer to the Installation Manual for the outdoor unit if the PCB for the outdoor unit is to
be used for the test run.
9.2. Test run using Remote Controller
• Refer to the Installation Manual for the remote controller to perform the test run using
the remote controller.
• When the air conditioner is being test run, the OPERATION and TIMER indicators
fl
ash slowly at the same time.
10. CHECK LIST
Pay special attention to the check items below when installing the indoor unit(s).
After installation is complete, be sure to check the following check items again.
CHECK ITEMS
If not performed correctly
CHECK
BOX
Has the indoor unit been installed
correctly?
Vibration, noise, indoor unit may
drop
Has there been a check for gas leaks
(refrigerant pipes)?
No cooling, No heating
Has heat insulation work been
completed?
Water leakage
Does water drain easily from the indoor
units?
Water leakage
Is the voltage of the power source the
same as that indicated on the label on
the indoor unit?
No operation, heat or burn
damage
Are the wires and pipes all connected
completely?
No operation, heat or burn
damage
Is the indoor unit earthed (grounded)?
Short circuit
Is the connection cable the specified
thickness?
No operation, heat or burn
damage
Are the inlets and outlets free of any
obstacles?
No cooling, No heating
Does start and stop air conditioner
operation by remote control unit or
external device?
No operation
After installation is completed, has the
proper operation and handling been
explained to the user?
11. ERROR CODES
If you use a wired type remote controller, error codes will appear on the remote controller
display. If you use a wireless remote controller, the lamp on the photodetector unit will
output error codes by way of blinking patterns. See the lamp blinking patterns and error
codes in the table below.
Error indications
Wired
Remote
Controller
Error CODE
Error contents
OPERATION
lamp (green)
TIMER
lamp
(orange)
FILTER
lamp (red)
(1)
(2)
Remote controller communication
error
(1)
(4)
Network communication error
(1)
(6)
Peripheral unit communication
error
(2)
(6)
Indoor unit address setting error
(2)
(9)
Connection unit number error in
wired remote controller system
(3)
(1)
Indoor unit power supply abnormal
(3)
(2)
Indoor unit main PCB error
(3)
(10)
Indoor unit communication circuit
(wired remote controller) error
(4)
(1)
Indoor unit room temp. thermistor
error
(4)
(2)
Indoor unit heat ex. temp.
thermistor error
(5)
(1)
Indoor unit fan motor 1 error
(5)
(2)
Indoor unit coil (expansion valve)
error
(5)
(3)
Indoor unit water drain abnormal
(9)
(15)
Outdoor unit miscellaneous error
(13)
(1)
RB unit error
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of
fl
ashing
9371022314-03_IM.indb Sec1:15
9371022314-03_IM.indb Sec1:15
10/23/2013 2:59:39 PM
10/23/2013 2:59:39 PM
