En-15
8.
TEST RUN
]1
8.1. 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.
8.2. 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
fl
ash slowly at
the same time.
For details, please refer to the Manual of “IR Receiver Unit” or “Wired Remote Controller”.
9.
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 con-
nected 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 condi-
tioner operation by remote con-
troller or external device?
No operation
After installation is completed, has
the proper operation and handling
been explained to the user?
10.
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
communication error
(1)
(4)
Network communication
error
(1)
(6)
Peripheral device
communication error
(2)
(6)
Address setting error
(2)
(9)
Connection unit number
error in wired remote
controller system
Error indications
Wired Remote
Controller Error
code
Error contents
OPERATION
lamp (green)
TIMER lamp
(orange)
FILTER
lamp (red)
(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)
Room temp. sensor error
(4)
(2)
Indoor unit Heat Ex.
sensor error
(5)
(1)
Indoor unit fan motor1
error
(5)
(2)
Coil (Expansion value)
error
(5)
(3)
Water Drain Abnormal
(9)
(15)
Outdoor unit 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
Error icon
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
Touch the [Status].
Touch the [Error 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.
UTY-RNKY / UTY-RNKG / UTY-RNKYT (3-wire type)
URY-RNRY / UTY-RNRG (2-wire type)
For details on marking the ERROR CODES, please refer to the Manual of “IR Receiver Unit” or
“Wired Remote Controller”.
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