8. TEST RUN
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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
Pay special attention to the check items below when
] 1
installing the indoor unit(s). After installation is complete, be sure to check the following
check items again.
Check items
Has the indoor unit been in-
stalled correctly?
Has there been a check for gas
leaks (refrigerant pipes)?
Has heat insulation work
been completed?
Does water drain eas-
ily from the indoor units?
Is the voltage of the power source
the same as that indicated on
the label on the indoor unit?
Are the wires and pipes all con-
nected completely?
Is the indoor unit earthed (grounded)?
Is the connection cable the
specifi ed thickness?
Are the inlets and outlets
free of any obstacles?
Does start and stop air condi-
tioner operation by remote con-
troller or external device?
After installation is completed, has
the proper operation and handling
been explained to the user?
10. ERROR CODES
If you use a wired type remote controller, error codes will appear on the remote controller
] 1
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
OPERATION
TIMER lamp
FILTER
lamp (green)
(orange)
lamp (red)
(1)
(2)
(1)
(4)
(1)
(6)
(2)
(6)
(2)
(9)
En-15
9365748145-01_IM.indb Sec2:15
9365748145-01_IM.indb Sec2:15
Check
If not performed correctly
box
Vibration, noise,
indoor unit may drop
No cooling, No heating
Water leakage
Water leakage
No operation, heat or burn damage
No operation, heat or burn damage
Short circuit
No operation, heat or burn damage
No cooling, No heating
No operation
Wired Remote
Controller Error
Error contents
code
Remote controller
communication error
Network communication
error
Peripheral device
communication error
Address setting error
Connection unit number
error in wired remote
controller system
Error indications
OPERATION
TIMER lamp
FILTER
lamp (green)
(orange)
lamp (red)
(3)
(1)
(3)
(2)
(3)
(10)
(4)
(1)
(4)
(2)
(5)
(1)
(5)
(2)
(5)
(3)
(9)
(15)
(13)
(1)
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of fl ashing
Wired Remote Controller Display
UTY-RNKY / UTY-RNKG / UTY-RNKYT (3-wire type)
Error code
URY-RNRY / UTY-RNRG (2-wire type)
Touch the [Next Page] (or [previous page])
Error icon
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.
For details on marking the ERROR CODES, please refer to the Manual of "IR Receiver Unit" or
"Wired Remote Controller".
Wired Remote
Controller Error
Error contents
code
Indoor unit power supply
abnormal
Indoor unit main PCB
error
Indoor unit
communication circuit
(wired remote controller)
error
Room temp. sensor error
Indoor unit Heat Ex.
sensor error
Indoor unit fan motor1
error
Coil (Expansion value)
error
Water Drain Abnormal
Outdoor unit error
RB unit error
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7/12/2012 11:09:17 AM