En-13
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 communi-
cation error
(1)
(4)
Network communication error
(1)
(6)
Peripheral unit communica-
tion 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)
(3)
Indoor unit communication
circuit (extension microcom-
puter) error
(3)
(10)
Indoor unit communication
circuit (wired remote control-
ler) error
(4)
(1)
Indoor unit room temp. therm-
istor 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 circulation
(13)
(1)
RB unit error
Display mode
: 0.5 s ON / 0.5 s OFF
: 0.1 s ON / 0.1 s OFF
( ) : Number of flashing
Wired Remote Controller Display
UTY-RLR* (2-wire type)
Error icon
Error icon
Error code
Touch the [Status].
Touch the [Error Information].
For more information, refer to the installation manual of the remote controller.
For more information, refer to the installation manual of the remote controller.
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.
UTY-RNR*Z* (2-wire type)
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9383489013_IM.indb 13
08-Feb-19 17:11:27
08-Feb-19 17:11:27
