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10. ERROR CODES
If you use a wired type remote controller, error codes will appear on the remote control-
ler 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
lamp (green)
(orange)
(red)
(1)
(2)
(1)
(4)
(1)
(6)
(2)
(6)
(2)
(9)
(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
En-17
Wired Remote
Controller Error
Error contents
code
Remote controller
communication error
Network communication
error
Peripheral unit
communication error
Indoor unit address
setting error
Connection unit number
error in wired remote
controller system
Indoor unit power supply
abnormal
Indoor unit main PCB
error
Indoor unit
communication circuit
(wired remote controller)
error
Indoor unit room temp.
thermistor error
Indoor unit heat ex.
temp. thermistor error
Indoor unit fan motor 1
error
Indoor unit coil
(expansion valve) error
Indoor unit water drain
abnormal
Outdoor unit
miscellaneous error
RB unit error
Wired remote controller display
UTY-RNK* / UTY-RNKYT (3-wire type)
UTY-RNR*Z* (2-wire type)
Error icon
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-RLR* (2-wire type)
Error icon
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".
Error code
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
Error code
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