En-16
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
(5)
(1)
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
(10)
(8)
Poor refrigerant circula-
tion
(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
UTY-RNKU (3-wire type)
Error code
UTY-RNRUZ* (2-wire type)
Status
Air Flow Direction
VT
Off
1
3
Off
HZ
Economy
Individual
Anti Freeze
Page 1/ 4
Monitor
Next
Page
Error
Information
Set Temp.
Mode
Menu
Status
Fan
Fri 10:00AM
Unoccupied
Error icon
Touch the [Status].
Touch the [Error Information].
2-digit numbers are corresponding to
the error code in the preceding table.
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
For more information, refer to the installation manual of the remote controller.
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29/11/2017 AM 11:48:44
29/11/2017 AM 11:48:44
