En-16
10. CHECK LIST
]1
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 in-
stalled 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 eas-
ily 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
speci
fi
ed 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 con-
ditioner operation by remote
controller or external device?
No operation
After installation is completed, has
the proper operation and handling
been explained to the user?
11. ERROR CODES
1
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 com-
munication error
(1)
(4)
Network communication
error
(1)
(6)
Peripheral unit commu-
nication error
(2)
(6)
Indoor unit address set-
ting 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 communica-
tion 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 (expan-
sion valve) error
(5)
(3)
Indoor unit water drain
abnormal
(9)
(15)
Outdoor unit miscella-
neous error
(13)
(1)
RB unit error
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of
fl
ashing
Wired Remote Controller Display
Error code
UTY-RNKU (3-wire type)
UTY-RNRU (2-wire type)
Error icon
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
2-digit numbers are corresponding to
the error code in the preceding table.
For more information, refer to the installation manual of the remote controller.
Touch the [Status].
Touch the [Error Information].
9367701124-03_IM.indb Sec1:16
9367701124-03_IM.indb Sec1:16
2013-10-25 13:00:51
2013-10-25 13:00:51
